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Kocks JWH, Blom CMG, Kasteleyn MJ, Oosterom W, Kollen BJ, Van der Molen T, Chavannes NH.Kocks JWH, et al.NPJ Prim Care Respir Med. 2017 Mar 28;27(1):20. doi: 10.1038/s41533-017-0023-0.NPJ Prim Care Respir Med. 2017.PMID: 28352087Free PMC article.
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Kocks J, de Jong C, Berger MY, Kerstjens HA, van der Molen T.Kocks J, et al.BMC Pulm Med. 2013 Jul 4;13:41. doi: 10.1186/1471-2466-13-41.BMC Pulm Med. 2013.PMID: 23826685Free PMC article.Clinical Trial.