共 36 条
[31]
OCHSNER A, 1952, J AMER MED ASS, V149, P691
[32]
OVERHOLT R H, 1960, Proc Natl Cancer Conf, V4, P309
[33]
SABOUR MS, 1962, DIS CHEST, V41, P530
[34]
WATSON WL, 1958, AMER J ROENTGENOL RA, V79, P488
[35]
1962, SMOKING HEALTH
[36]
1964, SMOKING HEALTH