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IP address: 3.80.173.25
Time: 2024-03-29T11:31:25Z
URL: http://scholar.google.com/scholar_lookup?title=Multiply+attenuated+lentiviral+vector+achieves+efficient+gene+delivery+in+vivo.&year=1997&author=Zufferey&journal=Nat.+Biotechnol.&volume=15&pages=871-875&doi=10.1038%2Fnbt0997-871&pmid=9306402