Joint pain or arthritis.
D001168:Arthritis / Q000175:diagnosis*; D019411:Clinical Laboratory Techniques; D003937:Diagnosis, Differential; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis*; D008128:Logic; D008722:Methods; D010146:Pain / Q000175:diagnosis*; D011320:Primary Health Care; D009626:Terminology as Topic