title: Rheumatic fever and rheumatic heart disease. Report of a WHO Study Group.
mesh_terms: D019411:Clinical Laboratory Techniques; D006801:Humans; D012213:Rheumatic Fever / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control; D012214:Rheumatic Heart Disease / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control; D014944:World Health Organization