Das, B.C. et al. 2022. Importance of Serum CA 19-9 Level in Hepatolithiasis Patients Undergoing Liver Resection: serum CA 19-9 level in hepatolithiasis. Journal of Surgical Sciences. 26, 1 (Feb. 2022), 10–14. DOI:https://doi.org/10.3329/jss.v26i1.86068.