AUTHOR=Kril Iryna , Wiśniewski Andrzej , Tarnowska Agnieszka , Lishchuk-Yakymovych Khrystyna , Bojko Yaryna , Kuśnierczyk Piotr , Chopyak Valentyna V. , Nowak Izabela TITLE=Association of ERAP1 and ERAP2 gene polymorphisms and ERAP2 protein with the susceptibility and severity of rheumatoid arthritis in the Ukrainian population JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1519159 DOI=10.3389/fimmu.2024.1519159 ISSN=1664-3224