Ind Med GazindmedgazThe Indian Medical Gazette0019-5863ThackerCalcutta290058575177241indmedgaz73305-0038ArticlesMedical Societies81913488330331http://creativecommons.org/licenses/by/4.0/This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License, which permits non-commercial use and redistribution provided that the original author and source are credited.