Prasad, RajendraKant, SuryaVerma, S K2008-05-092009-05-312008-05-092009-05-312008-05-09Prasad R, Kant S, Verma SK. Spontaneous expulsion of foreign body from airway. Journal of the Indian Medical Association. 2008 May; 106(5): 316http://imsear.searo.who.int/handle/123456789/96786engAged, 80 and overAirway ObstructionBronchiCoughForeign Bodies --diagnosisHumansMaleRemission, SpontaneousTime FactorsSpontaneous expulsion of foreign body from airway.Case Reports