Sharma P, Sidharth -, Singh B, Singh D, Gupta A. Comparative Study between Plain Radiography and Ultrasound Abdomen in Non Traumatic Surgical Acute Abdominal Conditions. Nep J Radiology [Internet]. 2013 Mar. 3 [cited 2024 May 2];2(2):20-7. Available from: https://www.nepjol.info/index.php/NJR/article/view/7681