共 22 条
[3]
CLARK DA, 1972, P AM ASSOC CANC RES, V13, P79
[4]
CLARK WH, 1969, CANCER RES, V29, P705
[5]
CLAUDY A, 1975, ANN DERMATOL SYPHIL, V102, P69
[6]
COCHRAN AJ, 1972, LANCET, V1, P1340
[8]
HELLSTRO.I, 1973, FED PROC, V32, P156