AUTHOR=Marx Stephen J. , Lourenço Delmar M. TITLE=Questions and Controversies About Parathyroid Pathophysiology in Children With Multiple Endocrine Neoplasia Type 1 JOURNAL=Frontiers in Endocrinology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2018.00359 DOI=10.3389/fendo.2018.00359 ISSN=1664-2392