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1 Pregnancy loss in dairy cows: the contributing factors, the effects on reproductive performance and the economic impact
Je-In Lee, Ill-Hwa Kim
J Vet Sci.2007;8(3):283-288.   Published online 2007 September 30     DOI: http://dx.doi.org/10.4142/jvs.2007.8.3.283
      

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