title: COPD in nonsmokers: the biomass hypothesis--to be or not to be?
authors: National Heart and Lung Institute, Dept of Respiratory Epidemiology, Occupational Medicine and Public Health, Imperial College London, London, UK.
authors: Louisa
authors: L
authors: Gnatiuc
authors: Dipartimento di Scienze Mediche, Sezione di Medicina Interna e Cardiorespiratoria, Centro Interdipartimentale per lo Studio delle Malattie Infiammatorie delle Vie Aeree e Patologie Fumo-Correlate (CEMICEF), Università di Ferrara, Ferrara, Italy gaetano.caramori@unife.it.
authors: Gaetano
authors: G
authors: Caramori
mesh_terms: D001249:Asthma / Q000175:diagnosis* / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology*