005830000a22002290004500003000900000005001700009264004700026490003400073020002200107100002100129700002400150700001800174700001900192245005900211050001200270300001000282041000800292650001800300650001400318650001000332040001100342PH-MaWHO20241108112605.0  aOxford : bOxford University Press,c1995.  aOXFORD medical publications).  a0192623249q(pbk)  aEnkin, Murray W.  aKeirse, Marc J.N.C.  aRenfrew, Mary  aNeilson, James 2aA guide to effective care in pregnancy and childbirth.  a2nd ed.  a429p.  aeng  aPrenatal care  aPregnancy  aLabor  aWHOLIS