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Chinese Journal of Family Planning
Pretreatment effects of oral contraceptive pill and estrogen on the outcome of in vitro fertilization-embryo transfer in poor responders
Xie Guangmei, Fen Fan, Ni Yali
中国计划生育学杂志 . 2012, (8): 541 .  DOI: 10.3969/j.issn.1004-8189.2012.08