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de Bot CM, Röder E, Pols DH, Bindels PJ, van Wijk RG, van der Wouden JC, Moed H.de Bot CM, et al. Among authors: pols dh.Prim Care Respir J. 2013 Jun;22(2):155-60. doi: 10.4104/pcrj.2013.00015.Prim Care Respir J. 2013.PMID: 23460036Free PMC article.
Pols DH, Wartna JB, Moed H, van Alphen EI, Bohnen AM, Bindels PJ.Pols DH, et al.Scand J Prim Health Care. 2016 Jun;34(2):143-50. doi: 10.3109/02813432.2016.1160629. Epub 2016 Mar 24.Scand J Prim Health Care. 2016.PMID: 27010253Free PMC article.Review.
Pols DHJ, Nielen MMJ, Korevaar JC, Bindels PJE, Bohnen AM.Pols DHJ, et al.NPJ Prim Care Respir Med. 2017 Apr 13;27(1):23. doi: 10.1038/s41533-017-0025-y.NPJ Prim Care Respir Med. 2017.PMID: 28408759Free PMC article.
Wang Q, Runhaar J, Kloppenburg M, Boers M, Bijlsma JWJ, Bierma-Zeinstra SMA; The CREDO Expert Group.Wang Q, et al.J Clin Med. 2020 Oct 21;9(10):3374. doi: 10.3390/jcm9103374.J Clin Med. 2020.PMID: 33096821Free PMC article.