Resource IgG4 Autoantibodies in Organ-Specific Autoimmunopathies: Reviewing Class Switching, Antibody-Producing Cells, and Specific Immunotherapies Ludwig Van - March 7, 2023 0 Frontiers | IgG4 Autoantibodies in Organ-Specific Autoimmunopathies: Reviewing Class Switching, Antibody-Producing Cells, and Specific Immunotherapies (frontiersin.org)https://www.frontiersin.org/articles/10.3389/fimmu.2022.834342/full