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Walker Z, Costa DC, Ince P, McKeith IG, Katona CL.Walker Z, et al. Among authors: katona cl.Lancet. 1999 Aug 21;354(9179):646-7. doi: 10.1016/s0140-6736(99)01178-2.Lancet. 1999.PMID: 10466669
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Walker Z, Jaros E, Walker RW, Lee L, Costa DC, Livingston G, Ince PG, Perry R, McKeith I, Katona CL.Walker Z, et al. Among authors: katona cl.J Neurol Neurosurg Psychiatry. 2007 Nov;78(11):1176-81. doi: 10.1136/jnnp.2006.110122. Epub 2007 Mar 12.J Neurol Neurosurg Psychiatry. 2007.PMID: 17353255Free PMC article.
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Walker Z, Allen RL, Shergill S, Katona CL.Walker Z, et al. Among authors: katona cl.Br J Psychiatry. 1997 Feb;170:156-8. doi: 10.1192/bjp.170.2.156.Br J Psychiatry. 1997.PMID: 9093505