共 2 条
[1]
Worldwide patterns of infertility:is Africa different. Cares W,et al. The Lancet . 1985
[2]
Evidence of prior pelvic inflammatory disease and its relationship to Chlamydia trachomatis antibody and intrauterine contraceptive device use in infertile women. Gump DW,et al. American Journal of Obstetrics and Gynecology . 1983