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Leino E, Partanen J, Helkala EL, Riekkinen PJ.Leino E, et al. Among authors: riekkinen pj.Acta Neurol Scand. 1982 Jan;65(1):19-29. doi: 10.1111/j.1600-0404.1982.tb03057.x.Acta Neurol Scand. 1982.PMID: 6801911
Leino E, MacDonald E, Airaksinen MM, Riekkinen PJ, Salo H.Leino E, et al. Among authors: riekkinen pj.Acta Neurol Scand. 1981 Aug;64(2):132-41. doi: 10.1111/j.1600-0404.1981.tb04395.x.Acta Neurol Scand. 1981.PMID: 6172951Clinical Trial.
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