AUTHOR=Olivo Paul D. , Kahaly George J. TITLE=Commentary: Brief report - Monoclonal antibodies illustrate the difficulties in measuring blocking TSH receptor antibodies JOURNAL=Frontiers in Endocrinology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2022.1060280 DOI=10.3389/fendo.2022.1060280 ISSN=1664-2392