TY - T1 - COPD in Helsinki, Finland: socioeconomic status based on occupation has an important impact on prevalence SN - / UR - http://hdl.handle.net/10138/178761 T3 - A1 - Kainu, Annette; Rouhos, Annamari; Sovijärvi, Anssi; Lindqvist, Ari; Sarna, Seppo; Lundback, Bo A2 - PB - Y1 - 2013 LA - eng AB - ... VO - IS - SP - OP - KW - Lung function; obstruction; population study; underdiagnosis; work; OBSTRUCTIVE PULMONARY-DISEASE; RESPIRATORY SYMPTOMS; POPULATION; RISK; DIAGNOSIS; EXPOSURES; BURDEN; ASSOCIATION; MORTALITY; OUTCOMES; 3142 Public health care science, environmental and occupational health N1 - PP - ER -