TY  - SER
TI  - New England Journal of Medicine: Vol. 323 [1 - 13] July  - September
SN  - 00284793
U1  - 616 
PY  - 1990///
CY  - London
PB  - Massachusetts Medical Society
KW  - MEDICAL SCIENCES
KW  - Medicine
UR  - https://www.nejm.org/medical-index?query=main_nav_lg
ER  -