共 15 条
- [11] NEEDLE RH, 1975, J AM COLL HEALTH ASS, V24, P106
- [12] Reiss I. L., 1967, SOCIAL CONTEXT PREMA
- [13] Simon W., 1973, SEXUAL CONDUCT
- [14] VENER A, 1973, J MARR FAM, V36, P728
- [15] SEXUAL-ACTIVITY, CONTRACEPTIVE USE AND PREGNANCY AMONG METROPOLITAN-AREA TEENAGERS - 1971-1979 [J]. FAMILY PLANNING PERSPECTIVES, 1980, 12 (05): : 230 - &