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IP address: 44.199.212.254
Time: 2024-03-28T22:00:44Z
URL: http://scholar.google.com/scholar_lookup?title=Reduced+ratio+of+male+to+female+births+in+several+industrial+countries%3A+a+sentinel+health+indicator%3F&year=1998&author=Davis&journal=JAMA&volume=279&issue=13&pages=1018-1023&doi=10.1001%2Fjama.279.13.1018&pmid=9533502