title: Grading heart murmurs must always indicate the grading system used.
authors.forename: Tsung O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D006337:Heart Murmurs / Q000175:diagnosis* / Q000503:physiopathology*; D006801:Humans; D012720:Severity of Illness Index; D013599:Systole