Anwaar R. Postprandial gall bladder contraction seen under ultrasound to rule out non functioning gall bladder in patients of flatulent dyspepsia. Annals KEMU [Internet]. 2016 Mar. 30 [cited 2024 Apr. 19];12(2). Available from: https://annalskemu.org/journal/index.php/annals/article/view/876