LETTER: Danger of styrofoam cups.
D000061:Accidents, Home / Q000517:prevention & control*; D000402:Airway Obstruction / Q000209:etiology*; D005547:Foreign Bodies / Q000150:complications*; D006801:Humans; D007223:Infant; D001239:Inhalation; D011137:Polystyrenes / Q000009:adverse effects*
D011137:Polystyrenes