A comment on Ultrasound unsound, by Beverley Lawrence Beech and Jean Robinson, Association for Improvements in the Maternity Services (AIMS), February 1994.
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D005260:Female; D006801:Humans; D011247:Pregnancy; D011785:Quality Assurance, Health Care; D012107:Research Design; D012954:Societies, Hospital; D016216:Ultrasonography, Prenatal / Q000592:standards / Q000706:statistics & numerical data