Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 32 1-2 1994 06 15 35 41 Kazem Amoli 2015 09 28 Chronic bronchopulmonary disorders occurred in a large number of rustic females who used to bake bread at their dwellings under unhgyienic conditions. Bronchoscopy revealed advanced pathological changes with characterised black areas infiltrating the bronchial walls. Findings in ten patients who referred with acute chronic respiratory symptoms and a positive history of indoor pollution are described with an emphasis on their bronchoscopic changes. https://acta.tums.ac.ir/index.php/acta/article/view/236 https://acta.tums.ac.ir/index.php/acta/article/download/236/232