title: Alteration of the electrocardiographic P waves in acute rheumatic fever.
authors.forename: J J
authors.initials: JJ
authors.lastname: SAMPSON
authors.forename: P C
authors.initials: PC
authors.lastname: KAPLAN
mesh_terms: D004562:Electrocardiography; D006321:Heart; D006331:Heart Diseases; D006801:Humans; D012213:Rheumatic Fever; D012214:Rheumatic Heart Disease