91. Letter from Sol Spiegelman to Tracy M. Sonneborn Publication: Produced: 14 October 1946 Subject(s): GenesEnzymes Archival Collection: The Sol Spiegelman Papers (Profiles in Science)
92. Letter from Tracy M. Sonneborn to Sol Spiegelman Publication: Produced: 6 August 1946 Subject(s): GenesGenetics Archival Collection: The Sol Spiegelman Papers (Profiles in Science)
93. Letter from Sol Spiegelman to H. B. Steinbach Publication: Produced: 23 August 1944 Subject(s): GenesEnzymes Archival Collection: The Sol Spiegelman Papers (Profiles in Science)
94. NINDS decade of the brain research poster day Publication: [Bethesda, Md.] : NINDS, 1992 Subject(s): BrainGenesNeuronsAnniversaries and Special Events
95. T helper cells: genes and development Publication: [Bethesda, Md. : Medical Arts and Photography Branch, National Institutes of Health, 2000] Subject(s): T-Lymphocytes, Helper-Inducer -- physiologyGenes
96. Fogarty International Center presents a conference on plasminogen activator genes: structure and regulation Publication: [Bethesda, Md. : Medical Arts and Photography Branch, National Institutes of Health, 1985] Subject(s): Plasminogen Activators -- physiologyGenes