TY  - GEN
AU  - Wang,S J
AU  - Hung,H M
AU  - Tsong,Y
AU  - Cui,L
TI  - Group sequential test strategies for superiority and non-inferiority hypotheses in active controlled clinical trials
SN  - 0277-6715
PY  - 2001///0823
KW  - Controlled Clinical Trials as Topic
KW  - methods
KW  - Drug Evaluation
KW  - Humans
KW  - Sample Size
KW  - Statistics as Topic
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S
UR  - https://doi.org/10.1002/sim.820
ER  -