title: Standards of mid-trimester obstetric ultrasound in Australia.
authors.affiliation: Ultrasound Department, Royal Women's Hospital, Melbourne, Vic.
authors.forename: L
authors.initials: L
authors.lastname: de Crespigny
mesh_terms: D001315:Australia; D005260:Female; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal / Q000592:standards* / Q000706:statistics & numerical data