title: The "ferruginous body" content of lung tissue: a quantitative study of eighty-six patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D005547:Foreign Bodies; D006652:Histological Techniques; D006801:Humans; D007223:Infant; D008168:Lung / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012737:Sex Factors; D014505:Urban Population