lung function tests were performed in 122 workers of vegetable oil refineries in tehran area. the results show an increase in respiratory impairment with age and length of exposure. among the four indices of lung function that were calculated, fev1 %fvc and fef 25-75% pfef 25-75 showed the greatest decrease with age and length of exposure, while fvc% pfvc and fev1% pfev1 were essentially within...

background: this cross sectional study was carried out to determine the relationship between metal dust exposure and respiratory health in male steel workers in terengganu, malaysia. methods: subjects were interviewed using a structured questionnaire from british medical research council (bmrc) questionnaire regarding respiratory symptoms and were examined their lung function using spirometer. ...

inadequate attention given to the management of asthma and ways of improving treatment could be a significant factor for the increase morbidity and mortality from asthma despite major advances in our understanding of the pathophysiology of the disease. there seems to be paucity of data concerning the management pattern and burden of asthma in africa. this study was undertaken to determine the p...