title: Congenital absence of the posterior arch of the atlas: a benign anomaly?
authors.affiliation: Department of Emergency Medicine, Beaumont Hospital, Beaumont Road, Dublin 9, Ireland. Mirwaheed28@yahoo.com
authors.forename: M A
authors.initials: MA
authors.lastname: Waheed
authors.forename: P
authors.initials: P
authors.lastname: Gilligan
mesh_terms: D001270:Cervical Atlas / Q000002:abnormalities* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D011859:Radiography; D055815:Young Adult