Provider: Nature Publishing Group
Content: application/x-research-info-systems
TY  - JOUR
AU  - Gershon, Diane
TI  - Analytical aids
JA  - Nature
PY  - 1991/02/28/print
VL  - 349
IS  - 6312
SP  - 813
EP  - 816
UR  - http://dx.doi.org/10.1038/349813a0
M3  - 10.1038/349813a0
N1  - 10.1038/349813a0
ER  -