TY  - GEN
AU  - Demets,D L
TI  - Can early stopping procedures impact significantly on the efficiency of clinical trials without serious loss of information?
SN  - 0277-6715
PY  - 1985///0326
KW  - Biometry
KW  - Clinical Trials as Topic
KW  - methods
KW  - Decision Making
KW  - Humans
KW  - National Institutes of Health (U.S.)
KW  - Time Factors
KW  - United States
N1  - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1002/sim.4780030426
ER  -