title: [Ultrasonography in general practice].
authors: Jan Emil
authors: JE
authors: Kristoffersen
authors: Gisle
authors: G
authors: Roksund
mesh_terms: D002983:Clinical Competence; D005194:Family Practice; D005260:Female; D006801:Humans; D009664:Norway; D011247:Pregnancy; D016216:Ultrasonography, Prenatal