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Okasha O, Rinta-Kokko H, Palmu AA, Ruokokoski E, Jokinen J, Nuorti JP.Okasha O, et al. Among authors: ruokokoski e.Thorax. 2018 Mar;73(3):262-269. doi: 10.1136/thoraxjnl-2017-210440. Epub 2017 Oct 7.Thorax. 2018.PMID: 28988217