title: The painful shoulder.
mesh_terms: D000173:Acromioclavicular Joint; D000368:Aged; D006801:Humans; D007592:Joint Diseases / Q000150:complications; D008875:Middle Aged; D009132:Muscles / Q000293:injuries; D010146:Pain / Q000209:etiology*; D012782:Shoulder; D012785:Shoulder Joint; D013122:Spinal Diseases / Q000150:complications; D013708:Tendon Injuries / Q000601:surgery