ULTRASOUND DIAGNOSTICS OF CHOLELITHIASIS IN EMERGENCY CONDITIONS, CHANGES IN THE INTRA AND EXTRAHEPATIC BILE DUCTS. Journal of Pharmaceutical Negative Results [Internet]. 2022 Dec. 6 [cited 2026 Jun. 13];:2674-86. Available from: https://mail.pnrjournal.com/index.php/home/article/view/4376