Evaluation of Oral Cholecystography Ultrasonography & EHIDA Scan in The Diagnosis of Cholecystitis with Cholelithiasis. Annals KEMU [Internet]. 2020 Sep. 2 [cited 2024 May 1];4(3):18-9. Available from: https://www.annalskemu.org/journal/index.php/annals/article/view/3843