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Hafkamp HC, Van Der Goten A, Manni JJ.Hafkamp HC, et al.Eur Arch Otorhinolaryngol. 2004 Aug;261(7):405-8. doi: 10.1007/s00405-003-0696-6. Epub 2003 Oct 24.Eur Arch Otorhinolaryngol. 2004.PMID: 14576950
van den Munckhof EHA, Hafkamp HC, de Kluijver J, Kuijper EJ, de Koning MNC, Quint WGV, Knetsch CW.van den Munckhof EHA, et al. Among authors: hafkamp hc.Respir Res. 2020 Jul 14;21(1):181. doi: 10.1186/s12931-020-01443-8.Respir Res. 2020.PMID: 32664929Free PMC article.