Neurotoxicity of chlorphenvinphos an organophosphorus pesticide: effects on blood and brain cholinesterase activity, open field behavior and response-to-change in a "T" maze in rats - Soćko, Renata; Gralewicz, Sławomir; Górny, Roman (Instytut Medycyny Pracy w Łodzi im. prof. J. Nofera)