00310nas a2200133   4500000000100000008004100001100001500042700001200057700001400069700002200083245005500105300000900160490000700169       2002                            d1 aRoberts C.1 aPeat B.1 aAlgert C.1 aRaynes-Greenow C.00aHigher order multiple prenancies in NSW, 1990-1999  a51-40 v42