共 21 条
[1]
ARCHER RD, 1977, LANCET, V2, P458
[4]
DAVIS RH, 1977, LANCET, V2, P762
[5]
Gobeaux-Castadot M J, 1981, Int J Gynaecol Obstet, V19, P181, DOI 10.1016/0020-7292(81)90060-6
[7]
Moo-Young A. J., 1975, ANAL INTRAUTERINE CO, P439
[8]
PEI-ZHU Z, 1980, Contraception, V22, P561, DOI 10.1016/0010-7824(80)90083-9
[9]
SEM ANALYSIS OF COPPER-CONTAINING INTRAUTERINE IMPLANTS
[J].
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH,
1981, 15 (04)
:605-610
[10]
ROSS A, 1978, BRIT J FAM PLANN, V4, P548