title: Predictors of urgent complications of peptic ulcer
abstract: Introduction . In recent decades, there has been a decrease in the prevalence of peptic ulcer (PU), but this trend does not correlate with the frequency of bleeding and mortality from PU: the disease remains the main cause of bleeding with a high mortality rate. Aim . To study the predictors of urgent complications of PU, using endoscopic, laboratory and clinical signs of gastric bleeding. Materials and methods . Observational cross-sectional (one-stage) study of 181 hospital patients diagnosed 
journal: Meditsinskiy sovet = Medical Council