Primary and secondary immunodeficiencies. In: Allergy, Asthma, and Immunology from Infancy to Adulthood, 3rd edition. Ed. Bierman, Pearlman, Shapiro, and Busse. WB Saunders Company, Philadelphia, PA, 1996, pp 20-54
Schiff RI, Harville TO. Primary and secondary immunodeficiencies. In: Allergy, Asthma, and Immunology from Infancy to Adulthood, 3rd edition. Ed. Bierman, Pearlman, Shapiro, and Busse. WB Saunders Company, Philadelphia, PA, 1996, pp 20-54. 1996.