The patient with low back pain.
D000208:Acute Disease; D000368:Aged; D001416:Back Pain / Q000175:diagnosis* / Q000209:etiology; D002420:Cauda Equina; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000175:diagnosis; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000175:diagnosis; D010291:Paresis / Q000175:diagnosis; D012017:Referral and Consultation; D013167:Spondylitis, Ankylosing / Q000175:diagnosis