共 35 条
[1]
ARUMAINATHAN P, 1970, REPORT CENSUS POPULA, V1
[2]
BURRELL R J, 1957, S Afr Med J, V31, P401
[3]
CHENG PCL, 1949, CHINESE MED J, V67, P662
[4]
CLEMMESEN J, 1961, ACTA UN INT CANCR, V17
[6]
CORNFIELD J, 1960, J Chronic Dis, V11, P523, DOI 10.1016/0021-9681(60)90016-3
[7]
COX DR, 1970, ANALYSIS BINARY DATA
[9]
DOLL R, 1970, CANCER INCIDENT 5 CO, V2