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IP address: 3.93.59.171
Time: 2024-03-28T20:52:03Z
URL: http://scholar.google.com/scholar_lookup?title=Sexual+transmission+of+HIV.&year=1997&author=Royce&journal=N.+Engl.+J.+Med.&volume=336&pages=1072-1078&doi=10.1056%2FNEJM199704103361507&pmid=9091805