Tangkullayanone, Watsaphon, Wilairat Prasert, and Sasithorn Sujarittanakarn. 2021. “The Prediction of Low Four-Hour Parathyroid Hormone Level After Total Thyroidectomy on Hypocalcemia”. Asian Medical Journal and Alternative Medicine 21 (2):119-23. http://18.141.44.152/index.php/amjam/article/view/268.