Delisle, Benjamin, et al. “Oral Immunization With F4 Fimbriae and CpG Formulated With Carboxymethyl Starch Enhances F4-Specific Mucosal Immune Response and Modulates Th1 and Th2 Cytokines in Weaned Pigs”. Journal of Pharmacy & Pharmaceutical Sciences, vol. 15, no. 5, Dec. 2012, pp. 642-56, doi:10.18433/J30W32.