AUTHOR=Gomes-Lima Cristiane , Wartofsky Leonard , Burman Kenneth TITLE=Can Reverse T3 Assay Be Employed to Guide T4 vs. T4/T3 Therapy in Hypothyroidism? JOURNAL=Frontiers in Endocrinology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2019.00856 DOI=10.3389/fendo.2019.00856 ISSN=1664-2392