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van Lieshout JJ, ten Harkel AD, van Leeuwen AM, Wieling W.van Lieshout JJ, et al. Among authors: van leeuwen am.Neth J Med. 1991 Aug;39(1-2):72-83.Neth J Med. 1991.PMID: 1961353
Wieling W, van Lieshout JJ, van Leeuwen AM.Wieling W, et al. Among authors: van lieshout jj, van leeuwen am.Clin Auton Res. 1993 Feb;3(1):57-65. doi: 10.1007/BF01819146.Clin Auton Res. 1993.PMID: 8477182