Clinical trials in ulcerative colitis: I. Personal observations.
Korelitz
B I
BI
Department of Medicine, Lenox Hill Hospital, New York, New York.
Margolin
M L
ML
D002986:Clinical Trials as Topic / Q000379:methods*; D003093:Colitis, Ulcerative / Q000188:drug therapy*; D006801:Humans; D012107:Research Design