title: Introduction and classification of rheumatic diseases.
abstract: Rheumatic diseases affect a large segment of the world's population. The rheumatic diseases may be classified by type or by several clinical schema of signs and symptoms.
mesh_terms: D001168:Arthritis / Q000145:classification; D001172:Arthritis, Rheumatoid / Q000145:classification; D006801:Humans; D012216:Rheumatic Diseases / Q000145:classification* / Q000175:diagnosis