Shiekh, M., T. Sheera, S. A. Rashid, A. H. Sheera, and J. Ahmad. “Study of Bacterial Aetiogenicity of Pigment Gall Stones by Culture of Nidus of Calculus and Correlation Between Stone Culture and Bile Culture”. JMS SKIMS, Vol. 23, no. 3, Sept. 2020, pp. 8-12, doi:https://doi.org/10.33883/jms.v23i3.746.