Biological monitoring for organophosphate/carbamate pesticides – the cholinesterase assay (letter) Authors: Rama DBK. Source: S Afr Med J. 1994;84:298-301. Babalwa Jekwa2019-04-05T13:43:54+02:00Dec 31st, 1994| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail