Orhan SEZGİN, Engin ALTINTAŞ, & Anıl TOMBAK. (2019). Effects of seasonal variations on acute upper gastrointestinal bleeding and its etiology. Turkish Journal of Gastroenterology, 18(3), 172–176. Retrieved from https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/2120