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Nature Biotechnology 20, 889–894 (1 September 2002) | doi:10.1038/nbt727

Cloned transchromosomic calves producing human immunoglobulin

Yoshimi Kuroiwa , Poothappillai Kasinathan , Yoon J. Choi , Rizwan Naeem , Kazuma Tomizuka , Eddie J. Sullivan , Jason G. Knott , Anae Duteau , Richard A. Goldsby , Barbara A. Osborne , Isao Ishida & James M. Robl