Thomas, C. C., V., S., Anto, R. M., Nagarajan, F., Goswami, D., Singh, N. M., & Devi, S. R. (2019). Bacteriological study of nidus of gallstones. International Surgery Journal, 6(9), 3271–3277. https://doi.org/10.18203/2349-2902.isj20194064