Affiliation: | The Biological Laboratories, Harvard University, Cambridge, Massachusetts, 02138.;Department of Microbiology and Immunology, Duke University Medical Center, Durham, North Carolina, 27710.;Department of Medicine, National Jewish Hospital, Denver, Colorado, 80206.;Immunology Branch, National Institutes of Health, Bethesda, Maryland, 20014.;McIndoe Memorial Research Unit, Blond Laboratories, East Grinstead, Sussex, England. |