共 19 条
[4]
CAMPBELL A, 1991, J ACQ IMMUN DEF SYND, V11, P1133
[6]
CATES W, 1990, AIDS OTHER SEXUALLY
[8]
ABORTION SERVICES IN THE UNITED-STATES, 1984 AND 1985
[J].
FAMILY PLANNING PERSPECTIVES,
1987, 19 (02)
:63-70
[9]
THE CHARACTERISTICS AND PRIOR CONTRACEPTIVE USE OF UNITED-STATES ABORTION PATIENTS
[J].
FAMILY PLANNING PERSPECTIVES,
1988, 20 (04)
:158-&
[10]
Hofferth S.L., 1987, RISKING FUTURE ADOLE, V2