PARUL, et al. “Seasonal Effect on the Prevalence of Virulence Genes of Non-O157 Verotoxic E.Coli Serogroups in Faeces of Cattle Calves”. The Indian Journal of Animal Sciences, vol. 93, no. 11, Oct. 2023, pp. 1046–1052, https://doi.org/10.56093/ijans.v93i11.126780.