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Pfennings LE, Van der Ploeg HM, Cohen L, Bramsen I, Polman CH, Lankhorst GJ, Vleugels L.Pfennings LE, et al. Among authors: vleugels l.Acta Neurol Scand. 1999 Sep;100(3):148-55. doi: 10.1111/j.1600-0404.1999.tb00730.x.Acta Neurol Scand. 1999.PMID: 10478577
Cohen L, Pouwer F, Pfennings LE, Lankhorst GJ, van der Ploeg HM, Polman CH, Adèr HJ, Jønnson A, Vleugels L.Cohen L, et al. Among authors: vleugels l.Qual Life Res. 1999;8(1-2):141-50. doi: 10.1023/a:1026481029191.Qual Life Res. 1999.PMID: 10457747
Visschedijk MA, Uitdehaag BM, Klein M, van der Ploeg E, Collette EH, Vleugels L, Pfennings LE, Hoogervorst EL, van der Ploeg HM, Polman CH.Visschedijk MA, et al. Among authors: vleugels l.Neurology. 2004 Dec 14;63(11):2046-50. doi: 10.1212/01.wnl.0000145769.51420.ed.Neurology. 2004.PMID: 15596748