“ASSESSMENT OF COMPARATIVE ANALYSIS OF THE COURSE OF NON-ALCOHOLIC FATTY LIVER DISEASE IN MIDDLE-AGED AND ELDERLY PATIENTS WHO SUFFER COVID-19 THROUGH ULTRASOUND ELASTOMETRY (VIA FIBROSCAN)”. 2021. World Bulletin of Public Health 5 (December): 64-65. https://www.scholarexpress.net/index.php/wbph/article/view/380.