Check, J.H., Check, D.L. and Dougherty, M.P. 2021. Progesterone Receptor Antagonists – A Novel Treatment for Severe Hyponatremia from the Endocrine Paraneoplastic Syndrome. Journal of Endocrinology Research. 3, 2 (Jul. 2021), 40–43. DOI:https://doi.org/10.30564/jer.v3i2.3611.