Garcia, M., Leite, D. da S., Yano, T., Castro, A. F. P. de and Shenk, M. A. M. (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), pp. 225-232. doi: 10.11606/issn.1678-4456.bjvras.1994.52070.