共 4 条
[1]
ADDITIONAL MEASURES OF USE-EFFECTIVENESS OF CONTRACEPTION
[J].
MILBANK MEMORIAL FUND QUARTERLY-HEALTH AND SOCIETY,
1963, 41 (04)
:400-418
[3]
Spiegelman M., 1968, INTRO DEMOGRAPHY
[4]
TIETZE C, 1965, INTRAUTERINE CONTRAC, P98