title: In response to 'Certificate of competence in performing specific procedures or tests in screening practice'.
authors.forename: Naomi
authors.initials: N
authors.lastname: Greene
authors.forename: Lawrence D
authors.initials: LD
authors.lastname: Platt
mesh_terms: D002568:Certification; D002983:Clinical Competence; D005260:Female; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging / Q000196:embryology; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000592:standards*; D014463:Ultrasonography