Sh.M. Ibatovа, F.Kh.Mamatkulova, & N.Е. Ruzikulov. (2022). Identifying Risk Factors for Complicated Duodenal Ulcer in Children. International Journal of Medical Science and Clinical Research Studies, 2(3), 254–256. https://doi.org/10.47191/ijmscrs/v2-i3-10