TY  - RPRT
TI  - Monitoring multi-armed trials.
AU  - M A Proschan
AU  - D A Follmann
AU  - N L Geller
DO  - 10.1002/sim.4780131320
UR  - https://pubmed.ncbi.nlm.nih.gov/7973223/
ID  - 7973223
ER  -