1. The incidence of spontaneous tumors of the central nervous system of wistar rats

   • N. Sumi
   • D. Stavrou
   • G. Jochmann

   Original Investigations Pages: 1 - 13

2. The excretion and distribution of inorganic mercury in the rat as influenced by several chelating agents

   • B. Gabard

   Original Investigations Pages: 15 - 24

3. The kinetics of methylmercury administered repeatedly to rats

   • L. Magos
   • W. H. Butler

   Original Investigations Pages: 25 - 39

4. Effect of pregnancy on hepatic microsomal drug metabolism in rabbits and rats

   • I. Gut
   • B. A. Becker
   • M. Gutová

   Original Investigations Pages: 41 - 47

5. Acute cardiovascular toxicity of thallium (I) ions

   • W. Lameijer
   • P. A. van Zwieten

   Original Investigations Pages: 49 - 61

6. Teratology study of two isoglutamine derivatives

   • H. Koch
   • F. Köhler

   Short Communications Pages: 63 - 68

7. Increased penetration of amanitine into hepatocytes when conjugated with albumin

   • E. Bonetti
   • M. Derenzini
   • L. Fiume

   Short Communications Pages: 69 - 73