Yadgar Aziz Abdullah, Abdulwahid Mohammed Salih, Ari Mohammed Abdullah, Mohammed Abdalkarim Hama Ali, 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. 2023;30(7):56-71. doi:10.47750/jptcp.2023.30.07.008