Esplana, Christian Cesar, and Jerome Barrera. “Primary Hyperparathyroidism from Parathyroid Carcinoma Presenting With Multiple Skeletal Fractures and Brown Cell Tumors”. Journal of the ASEAN Federation of Endocrine Societies 30, no. 2 (November 30, 2015): 175. Accessed March 29, 2024. https://asean-endocrinejournal.org/index.php/JAFES/article/view/251.