Martin, Richard JPrice, DavidRoche, NicolasIsrael, Elliotvan Aalderen, Willem McGrigg, JonathanPostma, Dirkje SGuilbert, Theresa WHillyer, Elizabeth VBurden, Annevon Ziegenweidt, JulieColice, Gene2014-11-042014-11-042014Martin, R J, Price, D, Roche, N, Israel, E, van Aalderen, W M, Grigg, J, Postma, D S, Guilbert, T W, Hillyer, E V, Burden, A, von Ziegenweidt, J & Colice, G 2014, 'Cost-effectiveness of initiating extrafine- or standard size-particle inhaled corticosteroid for asthma in two health-care systems : a retrospective matched cohort study', npj Primary Care Respiratory Medicine, vol. 24, 14081. https://doi.org/10.1038/npjpcrm.2014.81http://hdl.handle.net/2164/3807We thank Professor Neil Barnes for his contributions to the early discussions when planning the analyses.809377engRC Internal medicineRCJournal article10.1038/npjpcrm.2014.8124