TY - RPRT TI - The group sequential triangular test for phase II cancer clinical trials. AU - E Bellissant AU - J Bénichou AU - C Chastang PY - 1996 DO - 10.1097/00000421-199608000-00021 UR - https://pubmed.ncbi.nlm.nih.gov/8677918/ ID - 8677918 ER -