Text this: Trends in veterinary pharmacology and toxicology : proceedings of the First European Congress on Veterinary Pharmacology and Toxicology held from 25 to 28 September 1979 in Zeist, The Netherlands / organized by the European Association for Veterinary Pharmacology and Toxicology ; edited by A. S. J. P. A. M. van Miert, J. Frens, F. W. van der Kreek.