00364nas a2200133   4500000000100000008004100001100001500042700001200057700002300069700001400092245010700106300001000213490000700223       2001                            d1 aRoberts C.1 aPeat B.1 aHenderson-Smart D.1 aAlgert C.00aDifferences in trends in obstetrics interventions at term among urban and rural women in NSW 1990-1997  a15-220 v41