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Hansen SA, Aas E, Solli O.Hansen SA, et al. Among authors: aas e.Eur J Health Econ. 2020 Feb;21(1):73-84. doi: 10.1007/s10198-019-01112-8. Epub 2019 Sep 11.Eur J Health Econ. 2020.PMID: 31512069