共 21 条
- [12] JACKSON E, 1971, CALIFORNIAS 20000000
- [13] LUKER K, 1974, THESIS YALE U
- [15] SHAPIRO S, 1971, ADV PLANNED PARENTHO, V6, P62
- [17] 2 YEARS EXPERIENCE WITH A LIBERAL ABORTION LAW - ITS IMPACT ON FERTILITY TRENDS IN NEW YORK CITY [J]. FAMILY PLANNING PERSPECTIVES, 1973, 5 (01): : 36 - 41
- [18] ZELNIK M, 1972, SOCIAL SCIENCE RESEA, V1, P335
- [19] 1970, 18 MONTHL VIT STAT R
- [20] 1970, ABORTION SURVEILLANC