Dr Madhukar R. Jape, R. S. A. , S. N. , S. C. ,. “Tumor Marker for Diagnosis and Monitoring Response to Chemotherapy for Oesophagus Cancer Patients”. International Journal of Medical Science and Clinical Invention, vol. 3, no. 7, July 2016, https://valleyinternational.net/index.php/ijmsci/article/view/530.