K. Arunachalam, M. Thyagarajan, K. R. Jaghannathan, and V. Vishwanath, “Acute pancreatitis as a rare initial manifestation of 99mTc sestamibi negative parathyroid adenoma- a case report”, Int J Res Med Sci, vol. 13, no. 4, pp. 1699–1703, Mar. 2025.