21. Letter from Werner Henle, Children's Hospital of Philadelphia to Harold Varmus Publication: Produced: 10 May 1985 Subject(s): HIVAcquired Immunodeficiency SyndromeTerminology as Topic Archival Collection: The Harold Varmus Papers (Profiles in Science)
22. Letter from Harold Varmus to Dani P. Bolognesi, Duke University Medical Center Publication: Produced: 11 September 1985 Subject(s): HIVAcquired Immunodeficiency SyndromeTerminology as Topic Archival Collection: The Harold Varmus Papers (Profiles in Science)