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- Effects of short-term smoking on lung function and airway hyper-responsiveness in young patients with untreated intermittent adult-onset asthma: retrospective cross-sectional study at a primary–tertiary care hospital in JapanKentaro Watai, Kiyoshi Sekiya, Hiroaki Hayashi, Yuma Fukutomi, Masami TaniguchiBMJ Open Jun 2019, 9 (6) e023450; DOI: 10.1136/bmjopen-2018-023450
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