共 10 条
[1]
BARRON BA, 1971, CANCER, V27, P978, DOI 10.1002/1097-0142(197104)27:4<978::AID-CNCR2820270433>3.0.CO
[2]
2-2
[3]
CHRISTOPHERSON WM, 1970, CANCER-AM CANCER SOC, V26, P29, DOI 10.1002/1097-0142(197007)26:1<29::AID-CNCR2820260104>3.0.CO
[4]
2-G
[5]
FIDLER H. K., 1968, J OBSTET GYNAECOL BRIT COMMONW, V75, P392
[6]
JENKINS RO, COMMUNICATION
[8]
RICHART RM, 1969, AM J OBST G, V105, P387
[10]
STERN E, 1970, SCIENCE, V169, P498