| | Opinion |  |
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| | Science and Technology for the Benefit of the Less-Developed Areas 1135
doi:10.1038/1971135a0
PDF (267K)
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| | Book Reviews |  |
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| | Clotting of Blood 1136
R. G. MACFARLANE reviews Prothrombin
By
Walter H. Seegers
doi:10.1038/1971136a0
PDF (285K)
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| | The Clouds 1137
B. C. V. ODDIE reviews Clouds, Rain and Rainmaking
By
B. J. Mason
doi:10.1038/1971137a0
PDF (289K)
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| | Statistics for Students Of the Natural and Social Sciences 1138
W. BRASS reviews Introduction to Probability and Statistics
By
Henry L. Alder & Edward B. Roessler
doi:10.1038/1971138a0
PDF (144K)
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| | Microbiological Standardization 1138
L. B. QUESNEL reviews Proceedings of the 7th International Congress for Microbiological Standardization
London, August 28 to September 1, 1961. Edited by
A. F. B. Standfast, D. G. Evans & B. G. F. Weitz
doi:10.1038/1971138b0
PDF (144K)
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| | Articles |  |
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| | Universities and the Community in South Africa 1139
T. E. W. SCHUMANN
doi:10.1038/1971139a0
References | PDF (400K)
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| | "Science and Apartheid" 1141
R. HOFFENBERG
doi:10.1038/1971141a0
PDF (237K)
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| | New Physics Building At Queen Mary College, University Of London 1142
G. O. JONES
doi:10.1038/1971142a0
PDF (524K)
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| | Carcinogenesis and Cancer Prevention 1145
P. R. J. BURCH
doi:10.1038/1971145a0
References | PDF (939K)
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| | Obituaries |  |
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| | Prof. T. S. Wheeler 1152
W. BAKER
doi:10.1038/1971152a0
PDF (138K)
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| | Dr. J. S. Greenhow 1152
J. S. HEY
doi:10.1038/1971152b0
PDF (138K)
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| | Mr. Herbert Womersley 1152
R. V. SOUTHCOTT
doi:10.1038/1971152c0
PDF (276K)
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| | News and Views |  |
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| | Biology in the University of East Anglia : Dr. J. A. Kitching, O.B.E., F.R.S. 1153
doi:10.1038/1971153a0
PDF (143K)
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| | Chair of Transport at Imperial College of Science and Technology: Prof. C. D. Buchanan 1153
doi:10.1038/1971153b0
PDF (143K)
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| | The Institute for Operational Research 1153
doi:10.1038/1971153c0
PDF (293K)
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| | The Whiting and Industrial Powders Research Council 1154
doi:10.1038/1971154a0
PDF (157K)
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| | Survey of Audio-visual Aids in Teaching and Research 1154
doi:10.1038/1971154b0
PDF (157K)
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| | Nuclear Power for Peaceful Purposes 1154
doi:10.1038/1971154c0
PDF (157K)
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| | The Overseas Service Aid Scheme 1155
doi:10.1038/1971155a0
PDF (148K)
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| | Support for Medical Research in Britain 1155
doi:10.1038/1971155b0
PDF (148K)
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| | New Technique for preparing Lasers 1155
doi:10.1038/1971155c0
PDF (148K)
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| | The American Museum of Natural History 1155
doi:10.1038/1971155d0
PDF (148K)
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| | The National Art Gallery and Dominion Museum, Wellington 1155
doi:10.1038/1971155e0
PDF (148K)
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| | The Coryndon Memorial Museum, Nairobi 1155
doi:10.1038/1971155f0
PDF (148K)
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| | Gem Diamonds : Lecture Course and Certificate 1156
doi:10.1038/1971156a0
PDF (147K)
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| | Courses in Technology 1156
doi:10.1038/1971156b0
PDF (147K)
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| | University News |  |
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| | University News 1156
doi:10.1038/1971156c0
PDF (147K)
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| | Announcements |  |
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| | Announcements 1156
doi:10.1038/1971156d0
PDF (147K)
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| | News |  |
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| | Radiobiological Institute of the Organization for Health Research TNO, Holland 1157
L. M. VAN PUTTEN
doi:10.1038/1971157a0
PDF (538K)
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| | The Carnegie Institution of Washington 1158
doi:10.1038/1971158a0
PDF (283K)
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| | Vascular and Lymphatic Responses in Injury 1159
I. CARR
doi:10.1038/1971159a0
PDF (424K)
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| | Gelatine and Glue Research 1161
D. A. SUTTON
doi:10.1038/1971161a0
References | PDF (131K)
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| | The British Leather Manufacturers' Research Association 1161
doi:10.1038/1971161b0
PDF (229K)
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| | Articles |  |
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| | Polarization of Radio Sources and Faraday Rotation Effects in the Galaxy 1162
F. F. GARDNER & J. B. WHITEOAK
doi:10.1038/1971162a0
References | PDF (279K)
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| | Impulse Corona and the Pre-Breakdown Mechanism of Long Sparks 1165
J. J. KRITZINGER
doi:10.1038/1971165a0
References | PDF (224K)
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| | Nature of Glass in New Zealand Ignimbrites 1166
R. C. MARTIN & J. F. LEWIS
doi:10.1038/1971166a0
References | PDF (266K)
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| | Inhibition of the Biological Action of Thyroid Hormones by Actinomycin D and Puromycin 1167
J. R. TATA
doi:10.1038/1971167a0
References | PDF (263K)
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| | Periodic Nature of Spontaneous Peripheral Nervous System Activity 1169
A. A. ALEXANDER, ROBERT ROESSLER & NORMAN S. GREENFIELD
doi:10.1038/1971169a0
References | PDF (256K)
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| | Evidence for Multiple Calcium Pools in the Blood of Dogs 1170
MILDRED J. WIESTER, SUSAN H. WHITLA & RICHARD GOLDSMITH
doi:10.1038/1971170a0
References | PDF (269K)
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| | A Flux-Carrier Hypothesis of Drug Action 1171
D. MACKAY
doi:10.1038/1971171a0
References | PDF (365K)
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| | Glomerulonephritis Induced in Monkeys by Injections of Heterologous Glomerular Basement Membrane and Freund's Adjuvant 1173
R. W. STEBLAY
doi:10.1038/1971173a0
References | PDF (614K)
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| | Effect of Hypertonic Saline Injections on the Secretion of Thyroid Hormones in Rabbits and Guinea Pigs 1176
G. FEUER
doi:10.1038/1971176a0
References | PDF (250K)
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| | Encephalomyocarditis Virus and its Ribonucleic Acid: Sedimentation Characteristics: Sedimentation Coefficients of Encephalomyocarditis Virus and its Ribonucleic Acid 1177
, A. T. H. BURNESS, A. D. VIZOSO & F. W. CLOTHIER
doi:10.1038/1971177a0
References | PDF (263K)
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| | Encephalomyocarditis Virus and its Ribonucleic Acid: Sedimentation Characteristics: Sedimentation Properties of Infective Ribonucleic Acid extracted from Encephalomyocarditis Virus 1178
L. MONTAGNIER & F. K. SANDERS
doi:10.1038/1971178a0
References | PDF (489K)
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| | Selection in Natural Populations: Merychippus Primus, a Fossil Horse 1181
LEIGH VAN VALEN
doi:10.1038/1971181a0
References | PDF (380K)
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| | Longevity, Palatability and Natural Selection in Five Species of New World Saturniid Moth 1183
A. D. BLEST
doi:10.1038/1971183a0
References | PDF (579K)
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| | Behaviour of Young Octopus Briareus Robson 1186
J. B. MESSENGER
doi:10.1038/1971186a0
References | PDF (485K)
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| | New Fossil Hominoid Material from Uganda 1187
DAVID ALLBROOK & W. W. BISHOP
doi:10.1038/1971187a0
References | PDF (673K)
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| | Letters |  |
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| | A Direct Terrestrial Test of the Second Postulate of Special Relativity 1191
T. ALVÄGER, A. NILSSON & J. KJELLMAN
doi:10.1038/1971191a0
First paragraph & References | PDF (111K)
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| | Change in Velocity of Light emitted by a Moving Source 1192
J. F. JAMES & R. S. STERNBERG
doi:10.1038/1971192a0
First paragraph & References | PDF (117K)
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| | Sub-sieve Sizing by Sedimentation Balance 1192
C. C. HARRIS & A. JOWETT
doi:10.1038/1971192b0
First paragraph & References | PDF (233K)
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| | Very Precise Thickness Measurement of Thin Films 1193
J. DYSON
doi:10.1038/1971193a0
First paragraph & References | PDF (120K)
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| | Paragonite from the Dalradian 1193
M. J. MCNAMARA
doi:10.1038/1971193b0
First paragraph & References | PDF (120K)
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| | Molecular Structure of Tutin 1193
B. M. CRAVEN
doi:10.1038/1971193c0
First paragraph & References | PDF (216K)
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| | Possible Structures related to Mordenite 1194
IAN S. KERR
doi:10.1038/1971194a0
First paragraph & References | PDF (216K)
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| | Breaking Foams produced by Ionic Surfactants 1195
F. SEBBA
doi:10.1038/1971195a0
PDF (252K)
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| | Ion-Exchange Theory of Coagulation 1196
S. LEVINE & E. MATIJEVI
doi:10.1038/1971196a0
First paragraph & References | PDF (271K)
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| | Ionization by Charge Transfer of Adsorbed Gases in Mass Spectrometers 1197
JACQUES E. COLLIN
doi:10.1038/1971197a0
First paragraph & References | PDF (317K)
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| | Luminescence from the H—O2 Reaction 1198
R. N. DIXON & B. F. MASON
doi:10.1038/1971198a0
First paragraph & References | PDF (185K)
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| | Measurement of Small Quantities of Calcium by Radiometric Precipitation 1199
J. N. KUDAHL
doi:10.1038/1971199a0
First paragraph & References | PDF (125K)
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| | Phosphorescence in Plastics 1199
CHARLES F. FORSTER & EDWARD F. RICKARD
doi:10.1038/1971199b0
First paragraph & References | PDF (259K)
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| | Acid Leaching of Uranium and Thorium Carbides 1200
P. L. PAUSON, J. McLEAN & W. J. CLELLAND
doi:10.1038/1971200a0
First paragraph & References | PDF (141K)
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| | Starch-gel Electrophoresis of Pig Serum Proteins 1201
R. K. SCOPES
doi:10.1038/1971201a0
First paragraph & References | PDF (166K)
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| | Post-mortem Lability of Skeletal Muscle Proteins 1202
R. K. SCOPES & R. A. LAWRIE
doi:10.1038/1971202a0
First paragraph & References | PDF (244K)
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| | Spectrophotometric Assay of Ascorbic Acid Oxidase 1203
M. F. OBERBACHER & H. M. VINES
doi:10.1038/1971203a0
First paragraph & References | PDF (241K)
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| | Presence of Phosphate-mediated Cross-linkages in Hard Tissue Collagens 1204
ARTHUR VEIS & ROBERT J. SCHLUETER
doi:10.1038/1971204a0
First paragraph & References | PDF (140K)
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| | Heterogeneity of Urinary Acid Mucopolysaccharides 1204
WILLIAM R. KELLEY, INNA B. PONCET & NICOLA DI FERRANTE
doi:10.1038/1971204b0
First paragraph & References | PDF (425K)
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| | Purification of Human Growth Hormone on 'Sephadex G-200' 1206
RALPH A. REISFELD, BARBARA G. HALLOWS, DONALD E. WILLIAMS, NORMAN G. BRINK & SANFORD L. STEELMAN
doi:10.1038/1971206a0
First paragraph & References | PDF (300K)
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| | Effect of Carbon Tetrachloride Intoxication on the Activity of Enzymes of the Urea Cycle in the Liver of the Rat 1207
F. ROSSI & PATRICIA McLEAN
doi:10.1038/1971207a0
First paragraph & References | PDF (259K)
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| | Visualization of Different Diphospho- and Triphospho-pyridine Nucleotide Dehydrogenase Isozymes on an Agar-gel Plate 1208
G. BROUN & S. AVRAMEAS
doi:10.1038/1971208a0
First paragraph & References | PDF (132K)
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| | Uterine Relaxant Properties of Bradykinin in vitro
1208
ROBERT LANDESMAN, WILLIAM L. CAMPBELL & KATHLEEN WILSON
doi:10.1038/1971208b0
First paragraph & References | PDF (254K)
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| | Effect of Hydrogen Ion on the Rates of Migration of Sodium and Potassium Ions: Possible Relationship to Magnetism 1209
WILLIAM K. GEORGE
doi:10.1038/1971209a0
First paragraph & References | PDF (128K)
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| | Effect of Hydrogen Ion on the Rates of Migration of Sodium and Potassium Ions: Possible Relationship to Magnetism 1209
SIMO SALMINEN
doi:10.1038/1971209b0
First paragraph & References | PDF (128K)
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| | Effect of 3:5:3'-triiodothyroacetic Acid on the in vitro Oxygen Uptake of Leucocytes of Hypopituitary Patients 1209
I. PROVAN C. MURRAY & SHEENAH K. BISSET
doi:10.1038/1971209c0
First paragraph & References | PDF (248K)
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| | Stimulation of Secretion of Insulin by Adenosine-triphosphate 1210
J. L. R-CANDELA & M. C. GARCIA-FERNANDEZ
doi:10.1038/1971210a0
First paragraph & References | PDF (123K)
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| | Transport of Potassium Ions in the Rat's Intestine 1210
A. GILMAN, ETHOL KOELLE & J. M. RITCHIE
doi:10.1038/1971210b0
First paragraph & References | PDF (256K)
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| | Variable Action of Monoamine Oxidase-inhibiting Hydrazines on Serotonin Metabolism 1211
E. KIRBERGER
doi:10.1038/1971211a0
First paragraph & References | PDF (260K)
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| | Diminution of Imipramine Mortality in Hypothyroid Mice 1212
ARTHUR J. PRANGE JUN., MORRIS A. LIPTON & G. NEIL LOVE
doi:10.1038/1971212a0
First paragraph & References | PDF (242K)
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| | Synthesis of Hæm in Normal and Leukæmic Leucocytes 1213
THOMAS R. WALTERS, T. JOHN GRIBBLE & HERBERT C. SCHWARTZ
doi:10.1038/1971213a0
First paragraph & References | PDF (234K)
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| | Hypohaptoglobinæmia in an American Negro Family 1214
ARLAN J. GOTTLIEB, JOHN ROSS, MICHAEL GREENBERG & NATHANIEL WISCH
doi:10.1038/1971214a0
First paragraph & References | PDF (252K)
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| | Enzymatic Maturation of Skeletal Muscle 1215
VICTOR DUBOWITZ
doi:10.1038/1971215a0
First paragraph & References | PDF (139K)
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| | Electrophoretic Mobility of Human Tumour Cells 1215
PHILIP S. VASSAR
doi:10.1038/1971215b0
First paragraph & References | PDF (323K)
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| | Production of a Highly Tissue-specific Antiserum against a Particular Sub-fraction separated from Kidney Microsomes 1216
T. S. OKADA & A. G. SATO
doi:10.1038/1971216a0
First paragraph & References | PDF (310K)
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| | Age Changes of the Thymus in Two High-leukæmia Strains of Mice, SL and AKR, and in their F
1 Hybrids 1217
K. NAKAKUKI & Y. NISHIZUKA
doi:10.1038/1971217a0
First paragraph & References | PDF (255K)
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| | Encephalitogenic Factor in Experimental 'Allergic' Encephalomyelitis 1218
E. A. CASPARY & E. J. FIELD
doi:10.1038/1971218a0
First paragraph & References | PDF (134K)
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| | Effect of Fluoroacetate on Uptake of Yttrium-91 in Rabbits 1218
JILL DEARNALEY
doi:10.1038/1971218b0
First paragraph & References | PDF (263K)
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| | Change of Phytol into Chlorophyll a in Chlorella vulgaris
1219
L. BIANCO, E. LAZZARINI & P. PARIS
doi:10.1038/1971219a0
First paragraph & References | PDF (262K)
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| | A Germplasm-transmitted Alteration of Histocompatibility in the Progeny of Homograft Tolerant Mice 1220
RONALD D. GUTTMANN & J. BRADLEY AUST
doi:10.1038/1971220a0
First paragraph & References | PDF (261K)
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| | Rumen Function in the Camel 1221
V. J. WILLIAMS
doi:10.1038/1971221a0
First paragraph & References | PDF (133K)
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| | Immunogenic Activity of the Larval Stages of Haemonchus placei
1221
JOHN G. ROSS
doi:10.1038/1971221b0
First paragraph & References | PDF (248K)
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| | Energy Utilization of Poor Quality Roughage by Water-deprived Steers 1222
A. ROGERSON
doi:10.1038/1971222a0
First paragraph & References | PDF (119K)
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| | Propylene Phenoxetol as a Fish Anæsthetic 1222
T. B. BAGENAL
doi:10.1038/1971222b0
First paragraph & References | PDF (253K)
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| |
Tubularia crocea L. Agassiz in British Waters 1223
W. J. REES
doi:10.1038/1971223a0
First paragraph & References | PDF (139K)
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| | Beginning of the Accumulation of Vanadium during the Early Development of the Ascidian Phallusia mamillata Cuvier 1223
H.-J. BIELIG, K. PFLEGER, W. RUMMEL & M. DE VINCENTIIS
doi:10.1038/1971223b0
First paragraph & References | PDF (350K)
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| | Leeches as Endoparasites of Frogs 1224
K. H. MANN & M. J. TYLER
doi:10.1038/1971224a0
First paragraph & References | PDF (318K)
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| | Emerson Effect in Isolated Chloroplasts 1225
P. M. BISHOP & C. P. WHITTINGHAM
doi:10.1038/1971225a0
First paragraph & References | PDF (207K)
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| | Insecticide absorbed by the Central Nervous System of Susceptible and Resistant Cockroaches exposed to Dieldrin 1226
J. W. RAY
doi:10.1038/1971226a0
First paragraph & References | PDF (227K)
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| | Differential Growth Response of the Male and Female Rice Moth to Antibiotic Supplements 1227
DAYA BHANU
doi:10.1038/1971227a0
First paragraph & References | PDF (128K)
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| | A Modified Window-trap for Assessment of Fumigant Insecticides in Experimental Trap-huts 1227
A. SMITH & D. J. WEBLEY
doi:10.1038/1971227b0
First paragraph & References | PDF (248K)
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| | Deoxyribonucleic Acid Type attributable to a Bacterial Endosymbiote in the Protozoon Crithidia (Strigomonas) oncopelti
1228
J. MARMUR, M. E. CAHOON, YOSHIRO SHIMURA & HENRY J. VOGEL
doi:10.1038/1971228a0
First paragraph & References | PDF (254K)
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| | Lettuce Necrotic Yellows Virus 1229
L. L. STUBBS & R. G. GROGAN
doi:10.1038/1971229a0
First paragraph & References | PDF (134K)
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| | A New Chromosome Number and Karyotype in L. radiata
1229
SMRITIMOY BOSE
doi:10.1038/1971229b0
First paragraph & References | PDF (231K)
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| | Storage of Standardized Radioactive Solutions 1230
J. H. HARLEY, N. A. HALLDEN & I. M. FISENNE
doi:10.1038/1971230a0
First paragraph & References | PDF (102K)
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| | Forthcoming Events |  |
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| | Forthcoming Events 1231
doi:10.1038/1971231a0
PDF (162K)
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| | Appointments Vacant |  |
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| | Appointments Vacant 1231
doi:10.1038/1971231b0
PDF (354K)
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| | Reports and other Publications |  |
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| | Reports and other Publications 1232
doi:10.1038/1971232a0
PDF (197K)
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