Talaie, R., Nickpour, M. and Gholami, R. (2020) “The necessity of gastric mucosal biopsy in dyspeptic patients with normal upper endoscopy in Modarres hospital 2017-2018”, Novelty in Biomedicine, 8(2), pp. 77–86. doi: 10.22037/nbm.v1i1.27469.