00334nam 2218433 450000100060000000300230000600500090002900800410003808200100007902000180008910000220010726000300012925000070015924500240016618433StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a618.2 a977-269-094-2 aKenneth J. Leveno bMASS PUBLISHING CO c1993 a10 aWILLIAMS OBSTETRICS