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IP address: 44.200.169.91
Time: 2024-03-28T23:03:06Z
URL: http://scholar.google.com/scholar_lookup?title=Analysis+of+sequence+diversity+in+hypervariable+regions+of+the+external+glycoprotein+of+human+immunodeficiency+virus+type+1&year=1990&author=Simmonds&journal=J+Virol&volume=64&pages=5840-5850&pmid=2243378