| | Opinion |  |
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| | What Price Roads? 695
doi:10.1038/217695a0
PDF (121K)
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| | News |  |
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| | Making ESRO Ship-shape 696
doi:10.1038/217696a0
PDF (136K)
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| | Threat to French High Energy Physics 696
Our Paris Correspondent
doi:10.1038/217696b0
PDF (269K)
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| | Machine Minding 697
doi:10.1038/217697a0
PDF (134K)
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| | Too Many Institutions 697
doi:10.1038/217697b0
PDF (265K)
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| | Long Short Story 698
doi:10.1038/217698a0
PDF (134K)
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| | Beyond the Classroom 698
doi:10.1038/217698b0
PDF (265K)
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| | Student Participation 699
doi:10.1038/217699a0
PDF (135K)
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| | Academic Awards 699
doi:10.1038/217699b0
PDF (264K)
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| | Visiting Fellows 700
doi:10.1038/217700a0
PDF (133K)
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| | Changes at Cold Spring Harbor 700
doi:10.1038/217700b0
PDF (311K)
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| | Another Hovercraft 701
doi:10.1038/217701a0
PDF (182K)
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| | Research on Foreign Languages 701
doi:10.1038/217701b0
PDF (312K)
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| | New IBP Chairman 702
doi:10.1038/217702a0
PDF (133K)
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| | Drugs in School 702
doi:10.1038/217702b0
PDF (134K)
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| | On the Nature Trail 702
doi:10.1038/217702c0
PDF (251K)
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| | A Catalogue of Earthquakes 703
doi:10.1038/217703a0
PDF (121K)
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| | Skopje Earthquake 703
doi:10.1038/217703b0
PDF (252K)
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| | Keeping Physicists Aware 704
doi:10.1038/217704a0
PDF (135K)
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| | Fish Farming 704
doi:10.1038/217704b0
PDF (268K)
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| | Parliament in Britain 705
doi:10.1038/217705a0
PDF (135K)
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| | News and Views |  |
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| | Accelerators for the Seventies? 706
doi:10.1038/217706a0
PDF (125K)
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| | How Immortal are Amoebae? 706
Our Microbiology Correspondent
doi:10.1038/217706b0
PDF (259K)
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| | Flow of Blood 707
A Correspondent
doi:10.1038/217707a0
PDF (138K)
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| | Pituitary Hormone Actions 707
Our Medical Biochemistry Correspondent
doi:10.1038/217707b0
PDF (270K)
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| | Exchange of Ribosomal Sub-units 708
Our Cell Biology Correspondent
doi:10.1038/217708a0
PDF (136K)
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| | Carboxypeptidase 708
Our Molecular Biology Correspondent
doi:10.1038/217708b0
PDF (246K)
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| | Articles |  |
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| | Observation of a Rapidly Pulsating Radio Source 709
A. HEWISH, S. J. BELL, J. D. H. PILKINGTON, P. F. SCOTT & R. A. COLLINS
doi:10.1038/217709a0
Abstract & References | PDF (524K)
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| | Action Potentials induced in Biomolecular Lipid Membranes 713
PAUL MUELLER & DONALD O. RUDIN
doi:10.1038/217713a0
Abstract & References | PDF (801K)
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| | RNA in Mouse Cells exposed to Different Antigens 720
KAREL RASKA jun. & EDWARD P. COHEN
doi:10.1038/217720a0
Abstract & References | PDF (451K)
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| | Toxicity of Pyrrolizidine Alkaloids 723
A. R. MATTOCKS
doi:10.1038/217723a0
Abstract & References | PDF (556K)
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| | Letters |  |
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| | Occurrence of Olivine in a Type I Carbonaceous Meteorite 729
J. F. KERRIDGE
doi:10.1038/217729a0
First paragraph & References | PDF (463K)
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| | Composition of the Optically Active Fraction of a Texas Petroleum 730
N. DANIELI, E. GIL-AV & M. LOUIS
doi:10.1038/217730a0
First paragraph & References | PDF (208K)
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| | Composite Minor Intrusions in South Eastern Snowdonia 731
ALAN V. BROMLEY
doi:10.1038/217731a0
First paragraph & References | PDF (329K)
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| | Radial Distribution Functions from Small Packings of Spheres 733
G. MASON
doi:10.1038/217733a0
First paragraph & References | PDF (273K)
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| | Rational Geometry for measuring Elastic and Viscoelastic Parameters 735
M. GORDON, S. C. HUNTER, J. A. LOVE & T. C. WARD
doi:10.1038/217735a0
First paragraph & References | PDF (89K)
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| | Tensile Strength of Granular Materials 736
W. B. PIETSCH
doi:10.1038/217736a0
First paragraph & References | PDF (183K)
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| | Crystal Structures of some Protactinium Bromides 737
D. BROWN, T. J. PETCHER & A. J. SMITH
doi:10.1038/217737a0
First paragraph & References | PDF (186K)
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| | Contact Angles for Thin Lipid Films and the Determination of London-van der Waals Forces 739
D. A. HAYDON & J. L. TAYLOR
doi:10.1038/217739a0
First paragraph & References | PDF (257K)
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| | Ligands containing Fluoroaromatic Groups 740
M. L. N. REDDY, M. R. WILES & A. G. MASSEY
doi:10.1038/217740a0
First paragraph & References | PDF (101K)
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| | Failure of Chinese Hamster Cells to repair Sub-lethal Damage when X-irradiated in the Plateau Phase of Growth 741
GEORGE M. HAHN
doi:10.1038/217741a0
First paragraph & References | PDF (198K)
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| | Radial Diffusion and Power Function Retention of Alkaline Earth Radio-isotopes in Adult Bone 742
JOHN H. MARSHALL & CLAUDE ONKELINX
doi:10.1038/217742a0
First paragraph & References | PDF (197K)
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| | Effect of Ecdysone on the Puparium Formation in Irradiated Ephestia kühniella Z 743
A. M. KUZIN, I. K. KOLOMIJTSEVA & N. I. YUSIFOV
doi:10.1038/217743a0
First paragraph & References | PDF (219K)
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| | High Titre T Antigen with Minimal Amounts of Structural Antigen in Adenovirus-infected Cells treated with Hydroxyurea 744
JAY A. LEVY, ROBERT J. HUEBNER, JEROME KERN & RAYMOND V. GILDEN
doi:10.1038/217744a0
First paragraph & References | PDF (375K)
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| |
In vitro Characteristics of a Poxvirus isolated from Rhesus Monkeys 745
ANN H. NICHOLAS & WILBUR P. MCNULTY
doi:10.1038/217745a0
First paragraph & References | PDF (362K)
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| | Combined Lethal Effect of Zinc Chloride and Gamma Irradiation on Bacillus megaterium
746
M. KIORTSIS
doi:10.1038/217746a0
First paragraph & References | PDF (204K)
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| | DNA Synthesis in the Development of Antibody-forming Cells during the Early Stages of the Immune Response 747
A. SZENBERG & A. J. CUNNINGHAM
doi:10.1038/217747a0
First paragraph & References | PDF (235K)
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| | Sensitivity of Micrurgically Removed Chromosomal Spindle Fibres to Enzyme Disruption 748
G. C. HOSKINS
doi:10.1038/217748a0
First paragraph & References | PDF (499K)
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| | Apparent HeLa Cell Contamination of Human Heteroploid Cell Lines 750
STANLEY M. GARTLER
doi:10.1038/217750a0
First paragraph & References | PDF (216K)
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| | Anti-tumour Activity of S-Carbamylcysteine 751
RICHARD H. ADAMSON
doi:10.1038/217751a0
First paragraph & References | PDF (204K)
|
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| | Reduced Binding of Carcinogenic Hydrocarbons to DNA of Mouse Skin during Inhibition of DNA Synthesis 752
RUDOLF SÜSS & H. RAINER MAURER
doi:10.1038/217752a0
First paragraph & References | PDF (230K)
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| | Association of Acid Mucopolysaccharides with Isolated Amyloid Fibrils 753
C. A. PENNOCK
doi:10.1038/217753a0
First paragraph & References | PDF (248K)
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| | Biliprotein from the Ova of a Key-hole Limpet 754
W. H. BANNISTER, J. V. BANNISTER & H. MICALLEF
doi:10.1038/217754a0
First paragraph & References | PDF (222K)
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| | Effect of Orotic Acid on Activity of Nuclear DNA-dependent RNA Polymerase and Polyribosomal Profiles in Deficient Chick Liver lacking Vitamin B12
755
C. M. CALDARERA, B. BARBIROLI & M. MARCHETTI
doi:10.1038/217755a0
First paragraph & References | PDF (236K)
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| | Polyoma Virus-induced Release of inhibition of Cellular DNA Synthesis caused by Iododeoxyuridine 756
AKIKO KASAMAKI, TAMAR BEN-PORAT & ALBERT S. KAPLAN
doi:10.1038/217756a0
First paragraph & References | PDF (355K)
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| | L-Asparaginase Activity in Human and Animal Sera 758
MAUREEN B. LEE & JOHN M. BRIDGES
doi:10.1038/217758a0
First paragraph & References | PDF (290K)
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| | Albumin Máku: a New Variant of Human Serum Albumin 759
L. R. WEITKAMP & N. A. CHAGNON
doi:10.1038/217759a0
First paragraph & References | PDF (298K)
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| | Discrimination between Heavy Water and Water by the Mouse 760
C. U. M. SMITH
doi:10.1038/217760a0
First paragraph & References | PDF (119K)
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| | Phylogenetic Relationships among Venomous Snakes of the Genus Agkistrodon from Asia and the North American Continent 760
ANTHONY T. Tu & BRYANT L. ADAMS
doi:10.1038/217760b0
First paragraph & References | PDF (523K)
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| | Adoptive Suckling in the Grey Seal 762
E. A. SMITH
doi:10.1038/217762a0
First paragraph & References | PDF (268K)
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| | Uptake of Organic Solutes by Nereis virens
763
G. CHAPMAN & A. G. TAYLOR
doi:10.1038/217763a0
First paragraph & References | PDF (251K)
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| | Gynodioecy in Origanum vulgare: Computer Simulation of a Model 764
S. K. JAIN
doi:10.1038/217764a0
First paragraph & References | PDF (252K)
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| | Moss growing on Living Papuan Moss-forest Weevils 765
J. L. GRESSITT, G. A. SAMUELSON & D. H. VITT
doi:10.1038/217765a0
First paragraph & References | PDF (600K)
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| | New Glycolipid specific to Nitrogen-fixing Blue-green Algae 767
B. W. NICHOLS & B. J. B. WOOD
doi:10.1038/217767a0
First paragraph & References | PDF (301K)
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| | Availability of Nitrogen to Plants in Acid Coal Mine Spoils 768
S. M. CORNWELL & E. L. STONE
doi:10.1038/217768a0
First paragraph & References | PDF (209K)
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| | Effects of Drugs on Conditioned "Anxiety" 769
DEREK BLACKMAN
doi:10.1038/217769a0
First paragraph & References | PDF (167K)
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| | Human Power Output 770
C. T. M. DAVIES & R. RENNIE
doi:10.1038/217770a0
PDF (158K)
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| | Promotion of 4-Hydroxy-3-methoxy-phenylglycol Formation in Man by Reserpine 771
M. SANDLER & M. B. H. YOUDIM
doi:10.1038/217771a0
First paragraph & References | PDF (180K)
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| | Effect of Cocaine, Desipramine and Angiotensin on Uptake of Noradrenaline in Tissues of Pithed Rats 772
D. T. PALS & F. D. MASUCCI
doi:10.1038/217772a0
First paragraph & References | PDF (232K)
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| | Fixation Tremor in relation to Eyeball–Muscle Mechanics 773
H. BENGI & J. G. THOMAS
doi:10.1038/217773a0
First paragraph & References | PDF (218K)
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| | Effect of an Intra-uterine Device on Uterine Motility in the Rhesus Monkey 774
J. H. MARSTON & W. A. KELLY
doi:10.1038/217774a0
First paragraph & References | PDF (500K)
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| | Activation of Malathion by the Locust Bodywall 776
HAFIZ AHMED & B. G. GARDINER
doi:10.1038/217776a0
First paragraph & References | PDF (225K)
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| | Part played by Ciliate Protozoa in Rumen Function 777
F. G. YOUSSEF & D. M. ALLEN
doi:10.1038/217777a0
First paragraph & References | PDF (344K)
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| | Extracellular Recording from Single Neurones in the Olfactory Centre of the Cockroach 778
MINORU YAMADA
doi:10.1038/217778a0
First paragraph & References | PDF (362K)
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| | Conductance or Resistance? 779
R. D. STARK
doi:10.1038/217779a0
First paragraph & References | PDF (112K)
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| | Heparin and the Stabilization of Fibrin 779
B. J. CUDDIGAN
doi:10.1038/217779b0
First paragraph & References | PDF (243K)
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| | Ammonia–Oxygen Fuel Cell 780
E. J. CAIRNS, E. L. SIMONS & A. D. TEVEBAUGH
doi:10.1038/217780a0
First paragraph & References | PDF (239K)
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| | Holographic Model of Temporal Recall 781
P. T. CHOPPING
doi:10.1038/217781a0
First paragraph & References | PDF (189K)
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| | Book Reviews |  |
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| | British Hydrography 783
MARGARET DEACON reviews The Admiralty Hydrographic Service 1795–1919
By
Archibald Day
doi:10.1038/217783a0
PDF (134K)
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| | Astronomers of Old 783
A. ARMITAGE reviews Their Majesties' Astronomers
A Survey of Astronomy in Britain between the Two Elizabeths. By
Colin A. Ronan
doi:10.1038/217783b0
PDF (134K)
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| | Hallucinogens 784
J. R. SMYTHIES reviews The Hallucinogens
With a Contribution by T. Weckowitz. By
A. Hoffer & H. Osmond
doi:10.1038/217784a0
References | PDF (138K)
|
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| | Biology of the Uterus 784
N. F. MORRIS reviews Cellular Biology of the Uterus
Edited by
Ralph M. Wynn
doi:10.1038/217784b0
PDF (270K)
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| | Tooth Biology 785
A. R. TEN CATE reviews Structural and Chemical Organization of Teeth
Vol. 1. Edited by
A. E. W. Miles
doi:10.1038/217785a0
PDF (132K)
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| | Genes in Action 785
M. S. BRETSCHER reviews The Message of the Genes
By
Navin Sullivan
doi:10.1038/217785b0
PDF (132K)
|
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| | Experiments in Behaviour 785
J. D. CARTHY reviews Experiments in Animal Behaviour
By
Marguerite D. Hainsworth
doi:10.1038/217785c0
PDF (266K)
|
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| | Watching Big Game 786
CHRISTOPHER R. FIELD reviews A Field Guide to the National Parks of East Africa
By
John G. Williams
doi:10.1038/217786a0
PDF (133K)
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| | Obituaries |  |
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| | Professor J. H. Taylor 786
J. E. PRENTICE
doi:10.1038/217786b0
PDF (276K)
|
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| | Dr P. J. du Toit 787
S. M. NAUDÉ
doi:10.1038/217787a0
PDF (144K)
|
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| | Professor G. Z. Dimitroff 787
doi:10.1038/217787b0
PDF (144K)
|
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| | [Obituaries] 788
doi:10.1038/217788a0
PDF (120K)
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| | Erratum |  |
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| | Erratum 788
doi:10.1038/217788b0
PDF (120K)
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| | Forthcoming Events |  |
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| | Forthcoming Events 789
doi:10.1038/217789a0
PDF (157K)
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| | Appointments Vacant |  |
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| | Appointments Vacant 789
doi:10.1038/217789b0
PDF (285K)
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| | Reports and other Publications |  |
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| | Reports and other Publications 790
doi:10.1038/217790a0
PDF (129K)
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