共 45 条
[41]
Underwood MK, 1996, J RES ADOLESCENCE, V6, P201
[42]
Ware J.E., 1985, REFINEMENTS MEASUREM
[43]
Factors associated with adolescents' risk for late entry into prenatal care
[J].
FAMILY PLANNING PERSPECTIVES,
1997, 29 (06)
:273-276