AUTHOR=Nagy Zsuzsanna , Barabas Klaudia , Kovacs Gergely TITLE=Obituary: Prof. István M. Ábrahám JOURNAL=Frontiers in Endocrinology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2023.1144417 DOI=10.3389/fendo.2023.1144417 ISSN=1664-2392