“Expression of Cytokeratin (Ck) 7, Cytokeratin (Ck) 18, Carcinoembryonic Antigen (Cea) and Alpha Fetoprotein (Afp) In Liver Diseases”. SJMLS 5, no. 1 (March 31, 2020). Accessed May 8, 2026. https://sokjmls.com.ng/index.php/SJMLS/article/view/156.