title: Apical systolic murmurs in incipient rheumatic heart disease.
authors.forename: A M
authors.initials: AM
authors.lastname: MASTER
mesh_terms: D006321:Heart; D006331:Heart Diseases; D006337:Heart Murmurs; D006801:Humans; D012213:Rheumatic Fever; D012214:Rheumatic Heart Disease; D054160:Systolic Murmurs