title: [So-called "apical" systolic murmur of mitral regurgitation is not "apical"].
authors.affiliation: Japanese College of Cardiology (Nippon-Shinzobyo-Gakkai, Tokyo.
authors.forename: T
authors.initials: T
authors.lastname: Sakamoto
mesh_terms: D003937:Diagnosis, Differential; D006347:Heart Sounds; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D010701:Phonocardiography; D011379:Prognosis; D013599:Systole / Q000502:physiology*