共 50 条
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- [35] SPLITTING OF 2ND HEART SOUND IN ADULTS 40 YEARS AND OLDER AMERICAN JOURNAL OF THE MEDICAL SCIENCES, 1967, 254 (06): : 805 - &
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- [39] ZERO SOUND FIRST SOUND AND 2ND SOUND OF SOLIDS PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON, 1967, 90 (570P): : 1127 - &