Michael G. Townsend, Peter J. Bunyan, Edward M. Odam, Peter I. Stanley, Hilary P. Wardall, Assessment of Secondary Poisoning Hazard of Warfarin to Least Weasels, The Journal of Wildlife Management, Vol. 48, No. 2 (Apr., 1984), pp. 628-632
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Townsend et al. (1984) studied this question.
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