Bałandynowicz-Panfil K, Olah Șerban, Pék G, Kaszás A, Őrsi B. COVID -19 pandemic, surveys on elderly about vaccination. National and European perspectives. Gerontológia [Internet]. 2021 Dec. 29 [cited 2024 Apr. 28];13(Kulonszam):14-7. Available from: https://ojs.lib.unideb.hu/gerontologia/article/view/10571