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Christenhusz L, de Jongh F, van der Valk P, Pieterse M, Seydel E, van der Palen J.Christenhusz L, et al. Among authors: seydel e.J Aerosol Med. 2007 Winter;20(4):475-83. doi: 10.1089/jam.2007.0606.J Aerosol Med. 2007.PMID: 18158719Clinical Trial.
Christenhusz L, Pieterse M, Seydel E, van der Palen J.Christenhusz L, et al. Among authors: seydel e.Patient Educ Couns. 2007 May;66(2):162-6. doi: 10.1016/j.pec.2006.11.006. Epub 2006 Dec 28.Patient Educ Couns. 2007.PMID: 17196359Clinical Trial.
van der Palen J, Klein JJ, Seydel ER.van der Palen J, et al. Among authors: seydel er.Patient Educ Couns. 1997 Dec;32(1 Suppl):S35-41. doi: 10.1016/s0738-3991(97)00094-3.Patient Educ Couns. 1997.PMID: 9516758
van der Palen J, Klein JJ, Kerkhoff AH, van Herwaarden CL, Seydel ER.van der Palen J, et al. Among authors: seydel er.Patient Educ Couns. 1997 Dec;32(1 Suppl):S87-95. doi: 10.1016/s0738-3991(97)00100-6.Patient Educ Couns. 1997.PMID: 9516764Clinical Trial.
Klein JJ, van der Palen J, Seydel ER, Kerkhoff AH.Klein JJ, et al. Among authors: seydel er.Ned Tijdschr Geneeskd. 1998 Mar 28;142(13):711-5.Ned Tijdschr Geneeskd. 1998.PMID: 9623145Dutch.
Klein JJ, van der Palen J, Uil SM, Zielhuis GA, Seydel ER, van Herwaarden CL.Klein JJ, et al. Among authors: seydel er.Eur Respir J. 2001 Mar;17(3):386-94. doi: 10.1183/09031936.01.17303860.Eur Respir J. 2001.PMID: 11405516Free article.Clinical Trial.