共 9 条
- [1] Butterworth JS, 1955, CARDIAC AUSCULTATION
- [2] CABOT RC, 1925, J AM MED ASS, V84, P1794
- [4] LUISADA A, 1953, HEART BEAT
- [5] MAASS H, 1952, CARDIOLOGIA, V21, P773
- [6] MANNHEIMER E, 1940, ACTA PAEDIATR S, V2, P28
- [7] The graphic registration of the normal heart sounds [J]. AMERICAN HEART JOURNAL, 1942, 23 : 591 - 623