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IP address: 44.192.247.185
Time: 2024-03-28T18:10:14Z
URL: http://scholar.google.com/scholar_lookup?title=Involvement+of+CD28+in+MHC-unrestricted+cytotoxicity+mediated+by+a+human+natural+killer+leukemia+cell+line&year=1992&author=Azuma&journal=J+Immunol&volume=149&pages=1115-1123&pmid=1380031