共 5 条
[1]
BASS H, 1968, AM REV RESPIR DIS, V97, P598
[2]
FORGACS P, 1967, LANCET, V2, P203
[3]
FRASER RG, 1965, AMER J ROENTGENOL RA, V93, P821
[5]
TRAIL R, 1948, CHEST EXAMINATION, P57