Seyed Nejat HOSSEINI, et al. “Delay in Diagnosis and Treatment of Gastric Cancer: From the Beginning of Symptoms to Surgery - an Iranian Study”. Turkish Journal of Gastroenterology, vol. 18, no. 2, July 2019, pp. 77-81, https://tjg.avesjournals.com/index.php/tjg/article/view/2100.