Bermudo, E., Borja, J. V., & Abubakar, A.-Z. (2026). Recurrent Sporadic Parathyroid Carcinoma in a 29-Year-Old Filipino Female Presenting with Primary Hyperparathyroidism: A Case Report and Literature Review. The Philippine Journal of Pathology, 11(1). https://doi.org/10.21141/PJP.2026.583