Dugar, D., Khadanga, S., Houghton T, T., Ghata, S. and Satapathy, S. 2014. Study of Gall bladder contractility in patients of asymptomatic Gall stone. International Journal of Medical Research and Review. 2, 5 (Oct. 2014), 435-438. DOI:https://doi.org/10.17511/ijmrr.2014.i05.06.