共 30 条
[2]
Breslow NE, 1980, IARC PUBLICATION, V32
[3]
COLLINS J, 1980, LANCET, V2, P961
[4]
ELWOOD JM, 1981, CAN MED ASSOC J, V124, P1129
[5]
GAMBRELL RD, 1980, OBSTET GYNECOL, V55, P732
[6]
GORDON J, 1977, NEW ENGL J MED, V297, P570, DOI 10.1056/NEJM197709152971102
[7]
GRAY LA, 1977, OBSTET GYNECOL, V49, P385
[8]
GREENBLATT RB, 1979, NEW ENGL J MED, V300, P921