共 4 条
- [1] CONTRACEPTION AND PREGNANCY AFTER DROPPING OUT OF FAMILY-PLANNING CLINICS - NATIONAL INTERVIEW SURVEY IN JAMAICA [J]. SOCIAL BIOLOGY, 1976, 23 (01): : 55 - 65
- [2] CHOW LP, 1968, MILBANK MEM FUND Q, V47, P215
- [3] USE OF INTRA-UTERINE CONTRACEPTIVE DEVICE IN RURAL WEST PAKISTAN [J]. DEMOGRAPHY, 1966, 3 (02) : 332 - 342