Affiliation: | (1) Departments of Otolaryngology and of Immunology, University of Pittsburgh, Cancer Institute, 15232 Pittsburgh, PA;(2) Departments of Pathology and of Otolaryngology, University of Pittsburgh Medical Center, 15232 Pittsburgh, PA;(3) Department of Immunology, Roswell Park Cancer Institute, Elm & Calrton Streets, 14263 Buffalo, New York |