Duarte, K.M.R. et al. 2006. A fast immunoassay for the screening of alfa-trenbolone in bovine urine. Brazilian Journal of Veterinary Research and Animal Science. 43, supl. (Dec. 2006), 74–79. DOI:https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26538.