Is sacralization a significant factor in lumbar pain?
D001416:Back Pain / Q000209:etiology*; D000013:Congenital Abnormalities / Q000150:complications; D004185:Disability Evaluation; D006801:Humans; D008159:Lumbar Vertebrae / Q000002:abnormalities*; D008297:Male; D009784:Occupational Diseases / Q000209:etiology; D011542:Pseudarthrosis / Q000150:complications*; D012447:Sacrum / Q000002:abnormalities*