共 14 条
[1]
Achenbach J.D, 1975, WAVE PROPAGATION ELA, P96
[4]
FORGACS P, 1967, LANCET, V2, P203
[5]
Forgacs P, 1978, LUNG SOUNDS
[6]
HOLFORD SK, 1981, THESIS MIT
[8]
Laennec RTH, 1819, AUSCULTATION MEDIATE