International Journal of Toxicology, Vol. 18, No. 4

International Journal of Toxicology

Volume 18, Number 4
July-August 1999

CONTENTS

Original Research

Histochemical Characterization of the Alterations in the Renal Phosphatases Induced by Lead in White Rats: Bashir M. Jarrar and Juheir N. Mahamoud
Survival and Metabolic Function of Freshly Isolated Rat Hepatocytes Exposed First to a Heat Shock and then to an Oxidative Stress: Isabelle Latour and Pedro Buc-Calderon
In Vitro and In Vivo Inhibition of Rat Brain Nitric Oxide Synthase Activity by Phencyclidine: D. Desaiah, M. Pande, P.J.S. Vig, J.A. Cameron, S. F. Ali
Lipoxygenase-Mediated N-Demethylation of Imipramine and Related Tricyclic Antidepressants in the Presence of Hydrogen Peroxide: Jianan Hu, Mini Sajan, and Arun P. Kulkarni
Thresholds in Toxicology and Risk Assessment: Wout Slob

Symposium

Medical Device Risk Assessment Paradigm: Use and Case History, part of Symposium VI - Medical Device Registration: Safety Aspects presented at the 19^th Annual Conference of the American College of Toxicology in Orlando, Florida.: R. D. White, J. N. Cammack, R. J. Eyre, and D. M. Wilson
FDA and ISO Guidelines for Safety Evaluation of Medical Devices, part of Symposium VI - Medical Device Registration: Safety Aspects presented at the 19^th Annual Conference of the American College of Toxicology in Orlando, Florida.: Sharon J. Northup