“Severe Hyponatremia With Normokalemia in Pembrolizumab-Lenvatinib Combination Therapy for Metastatic Renal Cell Carcinoma: A Case of Suspected Secondary Adrenal Insufficiency and Clinical Differentials”. 2025. Open Access Indonesian Journal of Medical Reviews 6 (1): 35-50. https://doi.org/10.37275/oaijmr.v6i1.826.