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Boland MR, Tsiachristas A, Kruis AL, Chavannes NH, Rutten-van Mölken MP.Boland MR, et al.Prim Care Respir J. 2014 Mar;23(1):30-7. doi: 10.4104/pcrj.2014.00002.Prim Care Respir J. 2014.PMID: 24449017Free PMC article.
Boland MR, Kruis AL, Huygens SA, Tsiachristas A, Assendelft WJ, Gussekloo J, Blom CM, Chavannes NH, Rutten-van Mölken MP.Boland MR, et al.NPJ Prim Care Respir Med. 2015 Dec 17;25:15071. doi: 10.1038/npjpcrm.2015.71.NPJ Prim Care Respir Med. 2015.PMID: 26677770Free PMC article.Clinical Trial.
van Eeden AE, van de Poll I, van Vulpen G, Roldaan T, Wagenaar W, Boland MRS, Wolterbeek R, Chavannes NH.van Eeden AE, et al.BMC Res Notes. 2017 Nov 25;10(1):621. doi: 10.1186/s13104-017-2946-5.BMC Res Notes. 2017.PMID: 29178934Free PMC article.