Industrial and environmental xenobiotics : metabolism and pharmacokinetics of organic chemicals and metals : proceedings of an international conference held in Prague, Czechoslovakia, 27-30 May 1980 / [sponsored by the Permanent Commission and International Association on Occupational Health ; organized by the Czechoslovak Medical Society J. Ev. Purkyně, Institute of Hygiene and Epidemiology, Prague, and Medical Faculty of Hygiene, Prague] ; edited by Ivan Gut, Miroslav Cikrt, and Gabriel L. Plaa.