Metals: Methylmercury Neurotoxicity and its Uptake Action Across the BloodBrain Barrier (M. Aschner et al.). Neurotoxic Metals and Neuronal Signalling Processes (D. Minnema). Lead Poisoning, Toxocariasis and Pica (P.J. Donovick, R.G. Burright). Nocardia (B.L. Beaman). Toxicants: Neurotoxicity of Polychlorinated Biphenyls (R.F. Seegal, W. Shain). Central Nervous System Plasticity and Pathology Induced by Exposure to Organophosphate Pesticides (D.H...