共 6 条
[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