title: The painful arm.
mesh_terms: D001132:Arm; D003937:Diagnosis, Differential; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis*; D010017:Osteoma, Osteoid / Q000175:diagnosis*; D010146:Pain / Q000209:etiology*; D010523:Peripheral Nervous System Diseases / Q000175:diagnosis*; D052256:Tendinopathy / Q000175:diagnosis