Suspects association of oil heaters, hemoptysis.
D000328:Adult; D005260:Female; D005648:Fuel Oils / Q000009:adverse effects*; D006361:Heating / Q000295:instrumentation; D006469:Hemoptysis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010578:Petroleum / Q000009:adverse effects*
D005648:Fuel Oils; D010578:Petroleum