Ayesha Yousaf, Shaista Ali, Zahra Haider Bokhari, Attiya Mubarak Khalid, Muhammad Amin Sheikh. 2014. “Protective Effect of Vitamin E on Indomethacin Induced Gastric Ulcers”. Journal of Rawalpindi Medical College 18 (2). https://journalrmc.com/index.php/JRMC/article/view/362.