1. Suggested procedure for potency testing of poliomyelitis vaccine: 18 November 1957 Author(s): National Institutes of Health (U.S.). Division of Biologics Standards, author. Publication: [Geneva] : World Health Organization, Study Group on Recommended Requirements for Poliomyelitis Vaccine, 2 June 1958 Subject(s): Poliovirus Vaccine, Inactivated -- analysisPoliovirus Vaccine, Inactivated -- standardsEvaluation Studies as TopicVaccine Potency
2. Biannual report of Gastroenterology Section, Brooke General Hospital Author(s): Brooke General Hospital. Gastroenterology Section, author. Publication: [Fort Sam Houston, Texas] : [Brooke General Hospital], [1950?] Subject(s): Gastrointestinal DiseasesHospitals, MilitaryTexasBrooke General Hospital. Gastroenterology Section.
3. Letter from Paul Berg to Francis Crick Publication: Produced: 7 October 1958 Subject(s): RNAEnzymes Archival Collection: The Paul Berg Papers (Profiles in Science)
4. Letter from Francis Crick to Paul Berg Publication: Produced: 25 September 1958 Subject(s): RNA Archival Collection: The Paul Berg Papers (Profiles in Science)
5. Letter from Francis Crick to Paul Berg Publication: Produced: 26 November 1958 Subject(s): RNA Archival Collection: The Paul Berg Papers (Profiles in Science)
6. Letter from Andre Lwoff, Institut Pasteur (France) to Francis Crick Publication: Produced: 13 September 1957 Subject(s): Genetic Code Archival Collection: The Francis Crick Papers (Profiles in Science)
7. Letter from James D. Watson to Francis Crick Publication: Produced: 12 April 1958 Subject(s): Viruses Archival Collection: The Francis Crick Papers (Profiles in Science)
8. Letter from Francis Crick to James D. Watson Publication: Produced: 5 March 1958 Subject(s): Molecular BiologyRNA Archival Collection: The Francis Crick Papers (Profiles in Science)
9. Letter from Francis Crick to James D. Watson Publication: Produced: 14 November 1957 Subject(s): Escherichia coliRNA Archival Collection: The Francis Crick Papers (Profiles in Science)
10. Letter from Francis Crick to James D. Watson Publication: Produced: 8 March 1957 Subject(s): Molecular BiologyCytoplasmic Structures Archival Collection: The Francis Crick Papers (Profiles in Science)