title: The collagen diseases: Clues as to their etiology.
mesh_terms: D003095:Collagen Diseases / Q000453:epidemiology / Q000209:etiology*; D003882:Dermatomyositis / Q000209:etiology; D004696:Endocarditis / Q000150:complications; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000209:etiology; D010488:Polyarteritis Nodosa / Q000209:etiology; D011697:Purpura, Thrombotic Thrombocytopenic / Q000209:etiology; D012213:Rheumatic Fever / Q000209:etiology; D012214:Rheumatic Heart Disease / Q000150:complications* / Q000453:epidemiology / Q000473:pathology; D012595:Scleroderma, Systemic / Q000209:etiology; D013290:Streptococcal Infections / Q000150:complications