"The Scotty dog and his collar".
D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D011859:Radiography; D013168:Spondylolisthesis / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology* / Q000628:therapy; D013169:Spondylolysis / Q000150:complications*