Yadgar Aziz Abdullah, Abdulwahid Mohammed Salih, Ari Mohammed Abdullah, Mohammed Abdalkarim Hama Ali, and Ali Hattem Hussain, “Correlations of cancer antigen 19-9 and Carcinoembryonic antigen with histopathological and clinical features among malignant thyroid tumors”, J Popl Ther Clin Pharmacol, vol. 30, no. 7, pp. 56–71, Apr. 2023.