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IP address: 44.203.235.24
Time: 2024-03-28T19:05:34Z
URL: http://scholar.google.com/scholar_lookup?title=Risk+factors+for+ectopic+pregnancy+in+556+pregnancies+after+in+vitro+fertilization%3A+implications+for+preventive+management.&year=1991&author=Dubuisson&journal=Fertil+Steril.&volume=56&issue=4&pages=686-690&pmid=1915943