1. Introduction to cell to cell communication

   • Harold Amos

   EditorialNotes Pages: 1 - 2

2. Comparison of fusion from within and fusion from without by newcastle disease virus

   • Michael A. Bratt
   • William R. Gallaher

   OriginalPaper Pages: 3 - 14

3. Ultrastructural modifications of intercellular junctions between tumor cells

   • Adolfo Martínez-Palomo

   OriginalPaper Pages: 15 - 20

4. Some aspects of somatic cell hybridization

   • John W. Littlefield
   • Samuel Goldstein

   OriginalPaper Pages: 21 - 31

5. Multiple differentiated functions in an unusual clonal strain of hepatoma cells

   • Armen H. Tashjian Jr.
   • Frank C. Bancroft
   • Peter Ofner

   OriginalPaper Pages: 32 - 45

6. On the control of mammalian deoxyribonucleic acid synthesis

   • Irving Lieberman

   OriginalPaper Pages: 46 - 57

7. Cellular and viral contributions to maintenance of the SV40-transformed state

   • Robert E. Pollack

   OriginalPaper Pages: 58 - 65

8. Studies on the nature of serum stimulation of proliferation in cell culture

   • M. Shodell
   • Harry Rubin

   OriginalPaper Pages: 66 - 74

9. Some distinctive characteristics of high density perfusion cultures of diverse cell types

   • Paul F. Kruse Jr.
   • Lynn N. Keen
   • Wilbur L. Whittle

   OriginalPaper Pages: 75 - 88