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Kelder B, Berryman DE, Clark R, Li A, List EO, Kopchick JJ.Kelder B, et al. Among authors: kopchick jj.Growth Horm IGF Res. 2007 Aug;17(4):346-51. doi: 10.1016/j.ghir.2007.04.006. Epub 2007 Jun 4.Growth Horm IGF Res. 2007.PMID: 17544797
Chen WY, Wight DC, Wagner TE, Kopchick JJ.Chen WY, et al. Among authors: kopchick jj.Proc Natl Acad Sci U S A. 1990 Jul;87(13):5061-5. doi: 10.1073/pnas.87.13.5061.Proc Natl Acad Sci U S A. 1990.PMID: 2367524Free PMC article.
Martin-Gallardo A, Montoya-Zavala M, Kelder B, Taylor J, Chen H, Leung FC, Kopchick JJ.Martin-Gallardo A, et al. Among authors: kopchick jj.Gene. 1988 Oct 15;70(1):51-6. doi: 10.1016/0378-1119(88)90103-5.Gene. 1988.PMID: 2853691