Treethammakul, P., Boonpeng, A. and Chaipichit, N. 2025. Pathogen patterns and clinical outcomes of empirical antibiotic treatment in cholangitis: Single-center retrospective study. Science, Engineering and Health Studies. 19, (Nov. 2025), 25050010. DOI:https://doi.org/10.69598/sehs.19.25050010.