AUTHOR=Leone Fabrizio , Gori Alessandra , Cinicola Bianca Laura , Brindisi Giulia , Maglione Vittorio , Anania Caterina , Zicari Anna Maria TITLE=Extra X, extra questions: Trisomy X syndrome and IgA deficiency – a case report JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1518076 DOI=10.3389/fimmu.2024.1518076 ISSN=1664-3224