Washburn, K., Norman, T., Osterstock, J. and Respondek, T. 2007. Hairy vetch (Vicia villosa) toxicosis in a purebred Angus herd. The Bovine Practitioner. 41, 1 (Mar. 2007), 60–64. DOI:https://doi.org/10.21423/bovine-vol41no1p60-64.