2Global strategy for the diagnosis,management and prevention of chronic obstructive pulmonary disease(updated 2015)[EB/OL].[2015-01].http://www.gold COPD.org/guidelines-global-strategy-for-diagnosis-management.html.
5Katz P O,Gerson L B,Vela M F.Guidelines for the diagnosis and management of gastroesophageal reflux disease[J].Am J Gastroenterol,2013,108(3):308.
6Shaw M J,Talley N J,Beebe T J,et al.Initial validation of a diagnostic questionnaire for gastroesophageal reflux disease[J].Am J Gastroenterol,2001,96(1):52.
7Potena A,Caramori G,Casolari P,et al.Pathophysiology of viral-induced exacerbations of COPD[J].Int J Chron Obstruct Pulmon Dis,2007,2(4):477.
8Papi A,Luppi F,Franco F,et al.Pathophysiology of exacerbations chronic obstructive pulmonary disease[J].Proc Am Thorac Soc,2006,3(3):245.
9Casanova C,Baudet J S,del Valle Velasco M,et al.Increased gastro-oesophageal reflux disease in patients with severe COPD[J].European Respiratory Journal,2004,23(6):841.
10Gislason T,Janson C,Vermeire P,et al.Respiratory symptoms and nocturnal gastroesophageal reflux:a populationbased study of young adults in three European countries[J].Chest,2002,121(1):158.
9Stepnewski M, Kolarzyk E, Pietrzycka A, et al. Antioxidant enzymes and pulmonary function in steel mill welders. Int J Occup Med Environ Health, 2003 ; 16 : 41 - 47.
10Golshan M, Faghihi M, Marardi MM. Indoor women jobs and pulmonary risks in rural areas of Isfahan, Iran, 2000. Respir Med, 2002 ; 96 : 382 -388.