Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector7234910.17816/kazmj72349Research ArticlePerforation and profuse bleeding as complications of malignant gastric ulcerReducedE. P.info@eco-vector.com1508196142443452906202129062021Copyright © 2021, Reduced E.P.2021<p>Until now, it is not clear how often perforation or profuse bleeding occurs in malignant gastric ulcers.</p>Kazan Medical archiveКазанский медицинский архив