DOC21 - Indian Journal of Gastroenterologyindianjgastro.com/IJG_pdf/oct1993/135-141.pdf · The...
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DOC21 - Indian Journal of Gastroenterologyindianjgastro.com/IJG_pdf/oct1993/135-141.pdf · The scenario Of corrosive injury has changed Over the last 30 years. Prior to 1967, most