AUTHOR=Li Minzhen , Yin Rutie , Zhong Lan , Song Liang TITLE=An unyielding challenge for refractory hyponatremia in neuroendocrine cervix carcinoma: a case report JOURNAL=Frontiers in Endocrinology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1451157 DOI=10.3389/fendo.2025.1451157 ISSN=1664-2392