Early prenatal diagnosis of Larsen's syndrome by transvaginal sonography.
D000015:Abnormalities, Multiple / Q000000981:diagnostic imaging*; D000328:Adult; D019066:Facies; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000151:congenital*; D007719:Knee Joint / Q000002:abnormalities; D011247:Pregnancy; D013577:Syndrome; D016216:Ultrasonography, Prenatal / Q000379:methods*