共 13 条
[2]
BLAND JM, 1974, B PHYSIO-PATHOL RESP, V10, P699
[3]
BLAND JM, 1978, ARCH DISEASE CHILDHO, V53, P100
[4]
BURROWS B, 1977, AM REV RESPIR DIS, V115, P751
[5]
CAMERON R, 1969, BRIT J PREVENTIVE SO, V14, P28
[6]
COLLEY JRT, 1974, LANCET, V2, P1031
[10]
HOLLAND W W, 1969, Milbank Memorial Fund Quarterly, V47, P215, DOI 10.2307/3349262