title: [Umbilical cord knots at monochorionic twin pregnancy].
authors: T
authors: T
authors: Somville
authors: G
authors: G
authors: Ortmeyer
authors: P
authors: P
authors: Glosemeyer
authors: K
authors: K
authors: Hecher
authors: A
authors: A
authors: Diemert
mesh_terms: D000328:Adult; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D011247:Pregnancy; D059285:Pregnancy, Twin; D014102:Torsion Abnormality / Q000000981:diagnostic imaging*; D016216:Ultrasonography, Prenatal / Q000379:methods*; D014470:Umbilical Cord / Q000002:abnormalities* / Q000000981:diagnostic imaging*