共 7 条
- [1] AXTELL LM, 1977, NIH77992 US DEP HEW
- [2] BERG JW, 1977, CANCER, V39, P467, DOI 10.1002/1097-0142(197702)39:2<467::AID-CNCR2820390215>3.0.CO
- [3] 2-B
- [4] EDERER FRED, 1961, NATL CANCER INST MONOGR, V6, P101
- [5] HENSCHKE UK, 1973, CANCER-AM CANCER SOC, V31, P763, DOI 10.1002/1097-0142(197304)31:4<763::AID-CNCR2820310401>3.0.CO
- [6] 2-S
- [7] 1971, P23 US BUR CENS CURR