Points: Perforation of nasal septum due to button battery lodging in noseBr Med J (Clin Res Ed) 1987; 294 doi: http://dx.doi.org/10.1136/bmj.294.6578.1035-a (Published 18 April 1987) Cite this as: Br Med J (Clin Res Ed) 1987;294:1035
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