1. Chronic parkinsonism secondary to intravenous injection of meperidine analogues;Davis, G.C.; Williams, A.C.; Markey, S.P.;Psychiatry Res,1979
2. Chronic parkinsonism in humans due to a product of meperidine-analog synthesis;Langston, J.W.; Ballard, P.; Tetrud, J.W.; Irwin, I.;Science,1983
3. Parkinsonism induced by l-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP): implications for treatment and the pathogenesis of Parkinson's disease;Langston, J.W.; Ballard, P.;Can. J Neurol Sci,1984
4. Aetiology of Parkinson's disease;Caine, D.B.; Langston, J.W.;Lancet,1983
5. Parkinson's disease in a chemist working;Langston, J.W.; Ballard, P.A.;Engl J Med,1983