共 28 条
- [1] AMBROSE P, 1969, CONCEPTS GEOGRAPHY 2, P284
- [3] BERMAN C, 1935, S AFR J MED SCI, V1, P12
- [4] BURRELL R J, 1957, S Afr Med J, V31, P401
- [5] CHOYNOWSKI M, 1959, J AM STAT ASSOC, V54, P385
- [6] COETZEE AM, 1965, APR P MIN MED OFF AS, V44, P101
- [8] DOLL R, 1966, CANCER INCIDENCE 5 C, V1
- [9] DOLL R, 1970, CANCER INCIDENCE 5 C, V2
- [10] Geddes E W, 1972, Proc Mine Med Off Assoc, V52, P25