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. 2022, 20 (3), 254-259. https://doi.org/10.3126/kumj.v20i3.53924.