Jangsrisuk J. Ultrasound Evaluation of Biliary Obstruction in Chaoprayayomraj Hospital, Suphan Buri. J Health Sci Thai [Internet]. 2018Nov.8 [cited 2025Dec.5];17(Sup.3):SIII593-604. Available from: https://thaidj.org/index.php/JHS/article/view/5099