共 43 条
[11]
CATES W, 1978, OBSTET GYNECOL, V52, P493
[12]
CATES W, 1981, OBSTET GYNECOL, V58, P401
[13]
EFFECT OF DELAY AND METHOD CHOICE ON RISK OF ABORTION MORBIDITY
[J].
FAMILY PLANNING PERSPECTIVES,
1977, 9 (06)
:266-&
[14]
CATES W, 1982, 2ND TRIMESTER PREGNA, P42
[16]
*CTR DIS CONTR, AB SURV 1981 UNP
[17]
GOLD RB, 1984, COMMUNICATION 1023
[19]
GRIMES DA, 1979, J REPROD MED, V22, P248
[20]
GUIDOTTI RJ, 1981, AM J OBSTET GYNECOL, V141, P257