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Maltz E, Kroll O, Spahr SL, Devir S, Genizi A, Sagi R.Maltz E, et al. Among authors: spahr sl.J Dairy Sci. 1991 Jul;74(7):2277-89. doi: 10.3168/jds.S0022-0302(91)78400-2.J Dairy Sci. 1991.PMID: 1894817Free article.
Maltz E, Devir S, Kroll O, Zur B, Spahr SL, Shanks RD.Maltz E, et al. Among authors: spahr sl.J Dairy Sci. 1992 Jun;75(6):1588-603. doi: 10.3168/jds.S0022-0302(92)77916-8.J Dairy Sci. 1992.PMID: 1500559Free article.