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Ipharraguerre IR, Younker RS, Clark JH, Stanisiewski EP, Hartnell GF.Ipharraguerre IR, et al. Among authors: clark jh.J Dairy Sci. 2003 May;86(5):1734-41. doi: 10.3168/jds.S0022-0302(03)73759-X.J Dairy Sci. 2003.PMID: 12778584Free article.