title: [Isthmic spondylolysis of the axis. 2 cases].
mesh_terms: D000328:Adult; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013168:Spondylolisthesis / Q000000981:diagnostic imaging*; D013169:Spondylolysis / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000209:etiology
vernacular_title: Les spondylolyses isthmiques de l'axis. Deux observations.