title: Lung retention and clearance of shipyard arc welders.
mesh_terms: D000328:Adult; D004781:Environmental Exposure; D006801:Humans; D007501:Iron / Q000032:analysis*; D008168:Lung / Q000032:analysis*; D008297:Male; D009790:Occupations; D011650:Pulmonary Alveoli / Q000032:analysis; D012767:Ships; D013997:Time Factors; D014896:Welding
chemical_list: D007501:Iron