8 th ANNUAL CONGRESS OF TURKISH THORACIC SOCIETY April 27 – May 1, 2005 Antalya, TURKEY CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) IN WORKERS OF FERROCHROME INDUSTRY Afrim Tabaku *, Silvana Bala** * Public Health Institute, Tirana – Albania ** University Hospital for Pulmonary Diseases, Tirana – Albania