101. Letter from Robert C. Gallo, National Institutes of Health to Harold Varmus Publication: Produced: 17 March 1982 Subject(s): RetroviridaeTerminology as Topic Archival Collection: The Harold Varmus Papers (Profiles in Science)
102. Letter from Harold Varmus to Robert C. Gallo, National Institutes of Health Publication: Produced: 25 March 1982 Subject(s): RetroviridaeTerminology as Topic Archival Collection: The Harold Varmus Papers (Profiles in Science)