共 20 条
[1]
[Anonymous], 2007, Obstetrics Gynecology, V110, P1493
[2]
[Anonymous], 2005, Obstetrics Gynecology, V105, P223, DOI [10.1097/00006250-200501000-00060, DOI 10.1097/00006250-200501000-00060]
[4]
Chandra Anjani, 2005, Vital Health Stat 23, P1
[5]
Clifton Donna., 2008, FAMILY PLANNING WORL
[8]
Frost Jennifer J, 2008, Issues Brief (Alan Guttmacher Inst), P1
[9]
Measuring the extent of abortion underreporting in the 1995 National Survey of Family Growth
[J].
FAMILY PLANNING PERSPECTIVES,
1998, 30 (03)
:128-+
[10]
Hatcher R.A., 2007, CONTRACEPTIVE TECHNO, V19th