title: The detection of a patent urachus and allantoic cyst of the umbilical cord on prenatal ultrasonography.
authors.affiliation: Department of Urology, National Naval Medical Center, Bethesda, Maryland 20814.
authors.forename: H A
authors.initials: HA
authors.lastname: Frazier
authors.forename: J P
authors.initials: JP
authors.lastname: Guerrieri
authors.forename: R L
authors.initials: RL
authors.lastname: Thomas
authors.forename: P J
authors.initials: PJ
authors.lastname: Christenson
mesh_terms: D000482:Allantois / Q000000981:diagnostic imaging*; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D014496:Urachal Cyst / Q000000981:diagnostic imaging*; D014497:Urachus / Q000000981:diagnostic imaging*