00338nam 2217892 450000100060000000300230000600500090002900800410003808200100007902000150008910000250010426000300012925000060015924500290016517892StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a618.1 a9772690845 aBarbara M. Barzansky bWILLIAMS & WILKINS c1996 a2 aOBSTETRICS AND GNECOLOGY