title: A clinical approach to pain.
mesh_terms: D001416:Back Pain / Q000209:etiology; D001927:Brain Diseases / Q000175:diagnosis; D001933:Brain Stem / Q000503:physiopathology; D002422:Causalgia / Q000175:diagnosis; D002493:Central Nervous System Diseases / Q000175:diagnosis; D002540:Cerebral Cortex / Q000503:physiopathology; D003937:Diagnosis, Differential; D006261:Headache / Q000503:physiopathology; D006801:Humans; D009408:Nerve Compression Syndromes / Q000175:diagnosis; D009420:Nervous System; D010146:Pain / Q000145:classification / Q000175:diagnosis*; D010523:Peripheral Nervous System Diseases / Q000175:diagnosis; D012660:Semantics; D013118:Spinal Cord Diseases / Q000175:diagnosis; D013577:Syndrome; D009626:Terminology as Topic; D013788:Thalamus / Q000503:physiopathology; D014277:Trigeminal Neuralgia / Q000175:diagnosis