title: Occult mood in musculoskeletal diseases.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000209:etiology*; D006073:Gout / Q000209:etiology; D006801:Humans; D009135:Muscular Diseases / Q000209:etiology*; D010003:Osteoarthritis / Q000209:etiology; D013315:Stress, Psychological