共 19 条
[2]
Ahmed N, 1966, East Afr Med J, V43, P235
[3]
BUCKLEY R. M., 1967, East African Medical Journal, V44, P465
[4]
BURKITT DP, IN PRESS
[5]
BURRELL RJW, 1962, J NATL CANCER I, V28, P495
[6]
CLEMMESEN J, 1965, ACTA PATH MICRO S174
[8]
COOK PJ, UNPUBLISHED REPORT
[9]
DAVIES JNP, 1965, JNCI-J NATL CANCER I, V35, P789
[10]
DOLL R, 1967, PREVENTION CANCER PO