title: First trimester sonographic features of anorectal atresia: report of two cases.
authors.forename: Irina
authors.initials: I
authors.lastname: Novikova
authors.forename: Irina
authors.initials: I
authors.lastname: Solovyeva
authors.forename: Ludmila
authors.initials: L
authors.lastname: Lishtvan
authors.forename: Natalia
authors.initials: N
authors.lastname: Venchikova
authors.forename: Tatsiana
authors.initials: T
authors.lastname: Plevako
mesh_terms: D000328:Adult; D000071056:Anorectal Malformations; D001006:Anus, Imperforate / Q000000981:diagnostic imaging*; D004314:Down Syndrome / Q000000981:diagnostic imaging; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal