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Showing articles 0 to 2 of 2 Filter Applied: attention span (Click to remove) Chronic Neurological Effects of Organophosphate Pesticides BMJ 312:1312-1313, Steenland,K., 1996 The Residual Cognitive Effects of Heavy Marijiana Use in College Students Pope. H. G. & Yurgelun-Todd, D. , JAMA 275:521-527, , 1996 Showing articles 0 to 2 of 2