Ibrahim AAM. Comparative study between readjustable gastric balloon filled with air and others filled with saline inserted for obese patients and their effect on weight loss. Int Surg J [Internet]. 2017 Jun. 22 [cited 2025 Nov. 10];4(7):2114-7. Available from: https://www.ijsurgery.com/index.php/isj/article/view/1458