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Peters HP, van Schelven FW, Verstappen PA, de Boer RW, Bol E, Erich WB, van der Togt CR, de Vries WR.Peters HP, et al. Among authors: erich wb.Med Sci Sports Exerc. 1993 Nov;25(11):1211-24.Med Sci Sports Exerc. 1993.PMID: 8289607Clinical Trial.
Peters HP, van Schelven WF, Verstappen PA, de Boer RW, Bol E, Erich WB, van der Togt CR, de Vries WR.Peters HP, et al. Among authors: erich wb.Int J Sports Med. 1995 Feb;16(2):105-13. doi: 10.1055/s-2007-972974.Int J Sports Med. 1995.PMID: 7751072Clinical Trial.
Backx FJ, Beijer HJ, Bol E, Erich WB.Backx FJ, et al. Among authors: erich wb.Am J Sports Med. 1991 Mar-Apr;19(2):124-30. doi: 10.1177/036354659101900206.Am J Sports Med. 1991.PMID: 2039063
de Ridder CM, de Boer RW, Seidell JC, Nieuwenhoff CM, Jeneson JA, Bakker CJ, Zonderland ML, Erich WB.de Ridder CM, et al. Among authors: erich wb.Int J Obes Relat Metab Disord. 1992 Jun;16(6):443-9.Int J Obes Relat Metab Disord. 1992.PMID: 1322870
Backx FJ, Erich WB.Backx FJ, et al. Among authors: erich wb.Tijdschr Kindergeneeskd. 1990 Aug;58(4):120-4.Tijdschr Kindergeneeskd. 1990.PMID: 2219093Dutch.
Backx FJ, Erich WB.Backx FJ, et al. Among authors: erich wb.Tijdschr Kindergeneeskd. 1990 Aug;58(4):117-9.Tijdschr Kindergeneeskd. 1990.PMID: 2219092Dutch.