Kovšca Janjatovic A, Lacković G, Bozic F, Kezic D, Popovic M, Valpotić H, et al. Histomorphometric evaluation of intestinal cellular immune responses in pigs immunized with live oral F4ac+ non-enterotoxigenic E. coli vaccine against postweaning colibacillosis. Eur J Histochem [Internet]. 2010 Feb. 11 [cited 2024 Nov. 13];54(1):e4. Available from: https://www.ejh.it/index.php/ejh/article/view/ejh.2010.e4