1. The carcinogenic action of aristolochic acid in rats

   • U. Mengs
   • W. Lang
   • J. -A. Poch

   Original Investigations Pages: 107 - 119

2. Comparison of benzo(a)pyrene metabolism by testicular homogenate and the isolated perfused testis of rat following 2,3,7,8-tetrachlorodibenzo-P-dioxin treatment

   • J. Nagayama
   • I. P. Lee

   Original Investigations Pages: 121 - 130

3. Effect of cyanide on the distribution of ⁶⁰Co in mice

   • Lars Frankenberg

   Original Investigations Pages: 131 - 137

4. Significance of acid base status, respiration, Na⁺-and K⁺-concentrations and plasma glucose for acute toxicity of TRIS (hydroxymethyl-)aminomethane in rats

   • H. Brasch
   • H. Iven
   • J. Körner

   Original Investigations Pages: 139 - 149

5. Distribution and elimination of di-2-ethylhexyl phthalate (DEHP) and mono-2-ethylhexyl phthalate (MEHP) after a single oral administration of DEHP in rats

   • Shinshi Oishi
   • Kogo Hiraga

   Original Investigations Pages: 149 - 155

6. Nachweis des Katalysatorbestandteiles Dimethylparatoluidin im Knochenzement, auch nach mehrjähriger Implantation

   • Peter Bösch
   • Haio Harms
   • Felix Lintner

   Original Investigations Pages: 157 - 166

7. The cytotoxicity of a cobra venom phospholipase to mouse lymphoma cells

   • P. Lazarovici
   • J. Hochman
   • E. Zlotkin

   Original Investigations Pages: 167 - 173

8. Antagonism by calcium of the inhibitory effect of methylmercury on sympathetic ganglia

   • Karim A. Alkadhi
   • Mohamed N. Taha

   Original Investigations Pages: 175 - 181