共 15 条
[1]
[Anonymous], INT J GYNAECOLOGY OB
[2]
FACTORS GOVERNING IUD PERFORMANCE
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1971, 61 (03)
:559-&
[3]
BERNARD RP, 1969, ADVANCES PLANNED PAR, V5, P100
[4]
BRACKETT J, 1969, JAN P PAK INT FAM PL, P480
[5]
CHAFT ME, 1968, 4 AS C OBST GYN SING
[7]
FREEDMAN R, 1969, STUDIES FAMILY PLANN
[9]
SILBERMANN E, 1968, 4 P AS C OBST GYN, P103
[10]
SNOWDON R, PERSONAL COMMUNICATI