Thymic Hormones and Lymphokines Wara, D.W., Cowan, M.J., & Ammann, A.J. . Thymosin Fraction 5 treatment of patients with cellular immunodeficiency disorders. Thymic Hormones and Lymphokines. 1984. 1984 https://researcherprofiles.org/profile/1334888 Wara, D.W., Cowan, M.J., & Ammann, A.J.