1. Paul WE. Fundamental immunology. 7th ed. Philadelphia: Wolters Kluwer Health: Lippincot Williams & Wilkins; 2012.
2. Murphy K. Janeway’s immunology. 8th ed. New York: Garland Science; 2011.
3. Abbas AK, Lichtman AH, Pillai S. Cellular and molecular immunology. 6th ed. Philadelphia: Saunders; 2010.
4. Parslow TG, Stites DP, Terry AI, Imboden JB. Medical immunology. 10th ed. New York: McGraw-Hill/Appleton & Lange; 2001.
5. Smith PD, MacDonald TT, Blumberg RS. Principles of mucosal immunology. New York: Garland Science; 2013.