title: Quality assurance in ultrasound diagnostics--where are we at the end of 2009?
authors.forename: E
authors.initials: E
authors.lastname: Merz
authors.forename: A
authors.initials: A
authors.lastname: Bätzel
mesh_terms: D004622:Embryo, Mammalian / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted; D011247:Pregnancy; D011785:Quality Assurance, Health Care; D011786:Quality Control; D014463:Ultrasonography / Q000592:standards* / Q000639:trends; D016216:Ultrasonography, Prenatal / Q000592:standards / Q000639:trends