Hydrocarbons (petrochemicals: petroleum, petrolatum, paraffin, vaseline, naphta, jet fuel (kerosene), Diesel, gasoil), ointments, salad oil, variegated oils, butter). Aspirated
Bronchiolitis associated with exposure to artificial butter flavoring in workers at a cookie factory in Brazil.
Letter to the editor: RE: Galbraith D and Weill D (2009), popcorn lung and bronchiolitis obliterans: a critical appraisal 82:407-416.