Cholinesterase activity in workers exposed to organophosphate pesticides at a coffee plantation Authors: Jaga K, Rees D, Kielkowski D, Rama DBK. Source: Occ Med J – Singapore. 1994;6:13-19. Babalwa Jekwa2019-04-05T13:38:55+02:00Dec 31st, 1994| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail