Current concepts of arthritis.
D001168:Arthritis / Q000209:etiology*; D016918:Arthritis, Reactive / Q000209:etiology; D001172:Arthritis, Rheumatoid / Q000209:etiology; D002805:Chondrocalcinosis / Q000209:etiology; D003095:Collagen Diseases / Q000209:etiology; D006073:Gout / Q000209:etiology; D006801:Humans; D010003:Osteoarthritis / Q000209:etiology; D013167:Spondylitis, Ankylosing / Q000209:etiology