Gündüz, F., Kani, H. T., Chang, S., Akdeniz, E., Eren, F., Yılmaz, Y., & Özen Alahdab, Y. (2020). Effect of carbon dioxide versus room air insufflation on post-colonoscopic pain: A prospective, randomized, controlled study. Turkish Journal of Gastroenterology, 31(10), 676–680. https://doi.org/10.5152/tjg.2020.20596