A clinical neurological, neurophysiological, and neuropsychological study of sheep farmers and dippers exposed to organophosphate pesticides. - Jamal, G.A.; Hansen, S.; Pilkington, A.; Buchanan, D.; Gillham, R.A.; Abdel-Azis, M.; Julu, P.O.O.; Al-Rawas, S.F.; Hurley, F.; Ballantyne, J.P. (Occupational & Environmental Medicine, 2002)