The impact of the first wave of COVID-19 on students' attainment, analysed by IRT modelling method.

Universities around the world were closed for several months to slow down the spread of the COVID-19 pandemic. During this crisis, a tremendous amount of effort was made to use online education to support the teaching and learning process. The COVID-19 pandemic gave us a profound insight into how online education can radically affect students and how students adapt to new challenges.

Exploring Coping Strategies of Different Generations of Students Starting University.

Coping strategies and adaptation skills are key features in successfully adjusting to university challenges. Coping skills are an essential part of the Psychological immune system, which leads to successful adaptation. Due to COVID-19 most universities have changed their face-to-face teaching for online education.

[Common occurrence of non-alcoholic fatty liver disease and cholecystolithiasis].

Introduction: Non-Alcoholic Fatty Liver Disease is an acquired metabolic disease of the liver caused by accumulation of triglycerides in hepatocytes that is followed by necrobiotic inflammatory reaction, fibrosis and cirrhosis. Obesity, insulin resistance, diabetes mellitus and hyperlipidaemia are important pathogenetic factors of the process. It is known that among patients with cholecystolithiasis and diabetes mellitus in their anamnesis complications of cholecystolithiasis occur much more frequently like among patients without diabetes.