共 6 条
- [1] LUNG CANCER AMONG WHITE SOUTH AFRICANS [J]. BRITISH MEDICAL JOURNAL, 1959, 2 (OCT31) : 852 - 857
- [3] EASTCOTT DF, 1956, LANCET, V1, P37
- [4] HAENSZEL W, 1961, JNCI-J NATL CANCER I, V26, P37
- [5] TODD GF, 1959, 1 STAND COMM RES PAP
- [6] TODD GF, 1959, PERSONAL COMMUNICATI