1: Korevaar DA, Damen JA, Heus P, Moen MJ, Spijker R, van Veen IH, Weersink EJ,
van Kemenade GJ, van Hal PTW, Hooft L. Effectiveness of FeNO-guided treatment in
adult asthma patients: A systematic review and meta-analysis. Clin Exp Allergy.
2023 Aug;53(8):798-808. doi: 10.1111/cea.14359. Epub 2023 Jun 9. PMID: 37293870.