Expression of Cytokeratin (Ck) 7, Cytokeratin (Ck) 18, Carcinoembryonic Antigen (Cea) and Alpha Fetoprotein (Afp) In Liver Diseases. (2020). SJMLS, 5(1). https://sokjmls.com.ng/index.php/SJMLS/article/view/156