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Van Ornum KM, Bailey CM, Ringkob TP, Koh YO.Van Ornum KM, et al. Among authors: ringkob tp.J Anim Sci. 1987 Jul;65(1):16-32. doi: 10.2527/jas1987.65116x.J Anim Sci. 1987.PMID: 3610866