@article {27366,
	title = {Studies on colibacillosis in calves in Egypt. II. Evaluation of some vaccines. Egypt. },
	journal = {Vet. Med. J. },
	volume = {27, },
	year = {1979},
	pages = {163-169 },
	attachments = {https://scholar.cu.edu.eg/sites/default/files/hanem/files/colibacillosis_in_calves_ii_incidence_0.pdf},
	author = {Farid, A., and M Ibrahim and Refai, M. :}
}
