Grubnik, V. V., Y. V. Grubnik, and R. P. Nikitenko. “Possibilities of Performance of Nonstandard Operative Interventions in Patients, Suffering Early Gastric Cancer”. Klinicheskaia Khirurgiia, Vol. 86, no. 11-12, Dec. 2019, pp. 51-55, doi:10.26779/2522-1396.2019.11-12.51.