Chan, A.McCaul, K.Keane, R.Haan, E.2006-06-232006-06-231998The BMJ, 1998; 317(7163):923-9240959-81461756-1833http://hdl.handle.net/2440/7084© 1998 BMJ Publishing Group Ltd.enHumansDown SyndromeAbortion, SpontaneousRisk FactorsMaternal AgeGravidityParityPregnancySouth AustraliaFemaleEffect of Parity, Gravidity, Previous Miscarriage, and Age On Risk of Downs-Syndrome - Population Based StudyJournal article0030005712001998091410.1136/bmj.317.7163.9230000764090000252-s2.0-003248059969718Haan, E. [0000-0002-7310-5124]