1. Study of factors influencing prenatal brain development

   • S. Zamenhof
   • E. Van Marthens

   Review and General Articles Pages: 157 - 168

2. Partition of proteins and micro-organisms in aqueous biphasic systems

   • Göte Johansson

   Review and General Articles Pages: 169 - 180

3. Stable, high capacity and non charged agarose derivatives for immobilization of biologically active compounds and for affinity chromatography

   • Meir Wilchek
   • Talia Miron

   Review and General Articles Pages: 181 - 187

4. Production of L-phenylalanine by DL-phenylalanine hydroxamate-resistant tyr⁻ mutants of Bacillus subtilis

   • John J. McEvoy
   • A. Joyce

   Review and General Articles Pages: 191 - 195

5. Distribution of transcribable DNA sequences in mouse liver hepatoma chromatin

   • J. D. Duerksen

   Review and General Articles Pages: 197 - 203

6. Studies on the active center of pancreatic amylase

   • Susan Móra
   • István Simon
   • Pál Elödi

   Review and General Articles Pages: 205 - 209

7. Studies on the active center of pancreatic amylase

   • István Simon
   • Susan Móra
   • Pál Elödi

   Review and General Articles Pages: 211 - 216

8. Covalent coupling of alkaline bacillus subtilis protease to controlledpore silica with a new simplified coupling technique

   • Ralph A. Messing
   • Harold R. Stinson

   Review and General Articles Pages: 217 - 220

9. Inflections

   • Liane Reif-Lehrer

   Arts in Science Pages: 223 - 223

10. HeLa cells

    • Will H. Blackwell Jr.

    Arts in Science Pages: 224 - 224