Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector6082210.17816/kazmj60822Research ArticleA simple way to control the progress of the olive tube along the stomach during duodenal intubationLepyavkoA. G.<p>Department of Hospital Therapy, head, docent</p>info@eco-vector.comTernopil Medical Institute140519654631302202113022021Copyright © 1965, Lepyavko A.G.1965<p>For successful sounding of the duodenum, it is important to prevent the tube from folding during its advance through the stomach.</p>Kazan Medical archiveКазанский медицинский архив