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Van Schaik, G., Schukken, Y., VanLeeuwen, J. A., Dohoo, I. R., & Keefe, G. P. (2001). Point estimation and variability in prevalence in herds with low disease prevalence using imperfect tests- M. paratuberculosis prevalence in the Netherlands, New York State, Eastern Canada. In Annual Convention of the AABP. Vancouver, BC, Canada.