[On so-called vibrational systolic murmurs in children].
D002648:Child; D002675:Child, Preschool; D006326:Heart Auscultation; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D010701:Phonocardiography
K voprosu o tak nazyvaemykh vibratsionnykh sistolicheskikh shumakh u deteĭ.