1. Chemically defined media for mammalian eggs and early embryos

   • Ralph B. L. Gratkin

   OriginalPaper Pages: 59 - 67

2. Demonstration of a heterophile antigen on clone 929-L cells and their variant, L_E cells, by an indirect fluorescent antibody technique

   • D. R. Wilson
   • S. Fedoroff

   OriginalPaper Pages: 68 - 76

3. The differentiation of glial cells and glia limitans in organ cultures of chick spinal cord

   • Katherine M. Lyser

   OriginalPaper Pages: 77 - 84

4. A simple interferon assay as an adjunct for determining the genus of origin of cell cultures

   • Eugene M. Zimmerman
   • Aaron E. Freeman
   • Carol P. Uhlendorf

   OriginalPaper Pages: 85 - 90

5. Isolation of bacteriophages from commercial sera

   • Carl R. Merril
   • Thomas B. Friedman
   • Rhoda Yarkin

   OriginalPaper Pages: 91 - 93

6. Growth ofChlamydia psittaci strain menigopneumonitis in mouse L cells cultivated in a defined medium in spinner cultures

   • Susan J. Morrison
   • H. M. Jenkin

   OriginalPaper Pages: 94 - 100

7. Dissociation of single cells from lung or kidney tissue with elastase

   • Hugh J. Phillips

   OriginalPaper Pages: 101 - 105

8. Policy on media formulae, 1972

   • Helen J. Morton
   • R. B. L. Gwatkin
   • R. W. Pumper

   BriefCommunication Pages: 106 - 106

9. Pyruvate kinase, hexokinase, and aldolase isozymes in rat liver cells in culture

   • P. Roy Walker
   • Robert J. Bonney
   • R. van Potter

   OriginalPaper Pages: 107 - 114