AUTHOR=Leśniak Ksymena , Płoski Rafał , Rydzanicz Małgorzata , Rymarz Aleksandra , Lubas Arkadiusz , Syryło Tomasz , Niemczyk Stanisław TITLE=Non-infectious mixed cryoglobulinemia as a new clinical presentation of mutation in the gene encoding coatomer subunit alpha: a case report of two adult sisters JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1450048 DOI=10.3389/fimmu.2024.1450048 ISSN=1664-3224