... history of > 15 years and the absence of a diagnosis of pneumonoconiosis. The type of cells, the existence of dust cells, of iron laden macrophages and of asbestos bodieswere assessed and compared ... Department of Public Health, Medical School,University of Patras, GR-26500 Rio Patras, Greece Full list of author information is available at the end of the articleAlexopoulos et al. Journal of Occupational ... obstructive type syndrome, 2 of them were males and 3 smokers. Inaddition, a non smoker female had a Tiffeneau index of 68%. Most individuals were not aware of asbes tos expo-sure consequences...