1. Mathies, A.W. , and Leedom, J.M.: Varicella and herpes zoster. In: Tice's Practice of Medicine, Vol. 17. New York, Harper and Row, 1970, Chap. 17, p. 5.
2. Krugman, S., and Ward, R.: Varicella-zoster infections. In: Infectious Diseases of Children and Adults. St. Louis, C. V. Mosby Co., 1977, Chap. 31, pp. 413-418.
3. Varicella Arthritis