Rayubkul J, Laohasiriwong W, Thinkhamrop B, Mahato R, Khantikeo N, Pongpanich S. Prevalence of Suspected Cholangiocarcinoma Based on Ultrasonography Screening and its Associated Factors in Northeastern Thailand. Kathmandu Univ. Med. J. [Internet]. 2022 Sep. 30 [cited 2024 Aug. 17];20(3):254-9. Available from: https://nepjol.info/index.php/KUMJ/article/view/53924