Research Article
Clinical Value of Serum CEA, CA 19-9, CA 242 and AFP in Diagnosis of Gastrointestinal Tract Cancers
Biotechnology Research Center, New Damietta City, Egypt
N.A. Al-Ghawalby
Gastro-Enterology and Surgery Center, Mansoura University, Mansoura, Egypt
A.A.F. Abdel Aziz
Faculty of Science, Mansoura University, Mansoura, Egypt
E.A. El-Sayed
Gastro-Enterology and Surgery Center, Mansoura University, Mansoura, Egypt
A.A. Tabll
Department of Biomedical Technology, National Research Center, Egypt
A.M. El-Waseef
Faculty of Science, Mansoura University, Mansoura, Egypt