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APA Citation
Waeijen-Smit, K., DiGiandomenico, A., Bonnell, J., Ostridge, K., Gehrmann, U., Sellman, B. R., Kenny, T., van Kuijk, S., Peerlings, D., Spruit, M. A., Simons, S. O., Houben-Wilke, S., & Franssen, F. M. E. (2023). early diagnostic BioMARKers in exacerbations of chronic obstructive pulmonary disease: protocol of the exploratory, prospective, longitudinal, single-centre, observational MARKED study. BMJ open, 13(3), . http://access.bl.uk/ark:/81055/vdc_100179851852.0x00001c