title: Acquired os odontoideum: a case report and literature review.
authors: Orthopaedic Department, Peking University Third Hospital, 49 North Garden Street, Haidian District, Beijing, China.
authors: Shenglin
authors: S
authors: Wang
authors: Chao
authors: C
authors: Wang
mesh_terms: D000058:Accidental Falls; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D009809:Odontoid Process / Q000473:pathology*; D013122:Spinal Diseases / Q000209:etiology / Q000473:pathology*