Characteristics of Beta-blocker Treatment in Cardiac Patients with Concomitant Chronic Obstructive Pulmonary Disease
Attila Frigy, Katalin Mezei, Ildikó Kocsis, Lehel Máthé
International Trade in Food and Agro-Based Products in the Time of COVID-19
Nóra Gombkötő, Katalin Mezei