Houwers, Dirk; Savill, Nick; Illius, Andrew. (2019). Houwers_data, [dataset]. University of Edinburgh. School of Biological Sciences. https://doi.org/10.7488/ds/2713.
Serological data from Houwers, D. J. and van der Molen, E. J. (1987). A five-year serological study of natural transmission of maedi-visna virus in a flock of sheep, completed with post mortem investigation. Journal of Veterinary Medicine, Series B, 34:421–431
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