Garcia, M. et al. 1994. Evaluation of an oil emulsified vaccine against bovine colibacillosis using semi-purified K99-F41 adhesins. Brazilian Journal of Veterinary Research and Animal Science. 31, 3-4 (Dec. 1994), 225–232. DOI:https://doi.org/10.11606/issn.1678-4456.bjvras.1994.52070.