title: [Early diagnosis of chronic obstructive pulmonary disease: 3 years of experience].
mesh_terms: D001991:Bronchitis / Q000175:diagnosis; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D012129:Respiratory Function Tests; D013997:Time Factors
vernacular_title: La diagnosi precoce della malattia polmonare cronica ostruttiva: tre anni di esperienza