title: Rheumatic heart changes in chronic polyarthritis.
authors.forename: E
authors.initials: E
authors.lastname: JONSSON
authors.forename: K
authors.initials: K
authors.lastname: BERGLUND
mesh_terms: D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000150:complications*; D006331:Heart Diseases; D006801:Humans; D012213:Rheumatic Fever; D012214:Rheumatic Heart Disease