TY  - GEN
AU  - Halperin,M
AU  - Lan,K K
AU  - Ware,J H
AU  - Johnson,N J
AU  - DeMets,D L
TI  - An aid to data monitoring in long-term clinical trials
SN  - 0197-2456
PY  - 1983///0415
KW  - Clinical Trials as Topic
KW  - standards
KW  - Double-Blind Method
KW  - Humans
KW  - Mortality
KW  - Research Design
KW  - Statistics as Topic
KW  - Time Factors
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1016/0197-2456(82)90022-8
ER  -