AUTHOR=He Taoyuan , Li Xinyu , Li Guosheng , Wang Wanyang , Fu Hongjun , Gao Zhengnan , Liu Xuhan TITLE=Case Report: Familial hypocalciuric hypercalcemia type 1 with a novel mutation combined with Gitelman syndrome and a review of the literature JOURNAL=Frontiers in Endocrinology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1503128 DOI=10.3389/fendo.2025.1503128 ISSN=1664-2392