00355nam 2214991 450000100060000000300230000600500090002900800410003808200100007907200480008902000140013710000160015126000170016724500270018414991StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a614.4 astatiatical methodology for clinical trials a0277-6715 aJoel Colton bWiley c1991 astatistics in medicine