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Start Over You searched for: Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999 Publication Year 1961 Remove constraint Publication Year: 1961

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1. Letter from Paul Berg to Fred H. Bergmann

2. Letter from Paul Berg to Hans G. Boman

4. Letter from Theodore R. Breitman to Paul Berg

7. Letter from Paul Berg to Alfred Tissieres

13. Letter from Francis Crick to Fritz Lipmann

15. DNA

16. The Molecular Structure of Polyadenylic Acid

17. The Theory of Mutagenesis [Editorial letter]

18. General Nature of the Genetic Code for Proteins

19. Letter from Francis Crick to Jacques Monod

24. Lab notes on Morton DNA

28. Biochemistry 101 exam

29. Letter from Salvador E. Luria to Jacques Monod

40. Letter from Samuel H. Boyer to Victor A. McKusick

42. Profiles in Science: Linus Pauling

44. Letter from H. Gobind Khorana to Maxine Singer