Strategies for subgroup analysis in clinical trials.
Rockette
H E
HE
Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, PA 15261.
Caplan
R J
RJ
D002986:Clinical Trials as Topic / Q000379:methods*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging; D011897:Random Allocation; D012004:Rectal Neoplasms / Q000473:pathology / Q000628:therapy*