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Liccardi G, D'Amato G, D'Amato L, Salzillo A, Piccolo A, De Napoli I, Dente B, Cazzola M.Liccardi G, et al.Respir Med. 2005 Feb;99(2):227-33. doi: 10.1016/j.rmed.2004.05.012.Respir Med. 2005.PMID: 15715191Free article.
Liccardi G, Salzillo A, Sofia M, D'Amato M, D'Amato G.Liccardi G, et al.Curr Opin Anaesthesiol. 2012 Feb;25(1):30-7. doi: 10.1097/ACO.0b013e32834e7b2e.Curr Opin Anaesthesiol. 2012.PMID: 22157191Review.