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IP address: 3.236.19.251
Time: 2024-03-28T16:41:37Z
URL: http://scholar.google.com/scholar_lookup?title=Trends+in+male%3Afemale+ratio+among+newborn+infants+in+29+countries+from+five+continents&year=1998&author=Parazzini&journal=Hum+Reprod&volume=13&issue=5&pages=1394-1396&doi=10.1093%2Fhumrep%2F13.5.1394&pmid=9647579