Homburger, Henry A.; Singh, Ravinder Jit (2008). "96 - Assessment of proteins of the immune system". In Rich, Robert R.; Fleisher, Thomas A.; Shearer, William T.; Schroeder Jr., Harry W.; Frew, Anthony J.; Weyand, Cornelia M. (eds.). Clinical Immunology: Principles and Practice (3rd ed.). Elsevier. pp. 1419–1434. doi:10.1016/b978-0-323-04404-2.10096-x. ISBN9780323044042.