1. British Thoracic Society, Research Unit of the Royal College of Physicians of London, King's Fund Centre, National Asthma Campaign. Guidelines for management of asthma in adults;I. Chronic persistent asthma. BMJ,1990
2. Foreign body aspiration associated with the use ofan aerosol inhaler;Hannan, S.E.; Pratt, D.S.; Hannan, J.M.;Am Rev RespirDis,1984
3. Foreign body inhalation: a danger of metered dose inhalers. I R Coil Gen Pract;Cuckow, P.M.; English, T.A.H.,1989
4. Intrabronchial tablets-jet propelled. A case report;Wiesel, J.M.; Bar, Z.G.; Feinmesser, R.,1981
5. The jet propelled dime;McGonagle, M.; Reams, C.L.;JAMA,1984