Streptococcus intestinalis Robinson et al. 1988 Robinson I.M. Stromley J.M. Varel V.H. Cato E.P. Streptococcus intestinalis, a new species from the colons and feces of pigs. 1988 38 3 245 248 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-38-3-245