Downregulation of S100 Calcium Binding Protein A9 in Esophageal Squamous Cell Carcinoma oleh Harsh Pawar, Srinivas M. Srikanth, Manoj Kumar Kashyap, Gajanan Sathe, Sandip Chavan, Mukul Singal, H. C. Manju, Kariyanakatte Veeraiah Veerendra Kumar, M. Vijayakumar, Ravi Sirdeshmukh, Akhilesh Pandey, T. S. Keshava Prasad, Harsha Gowda, Rekha V. Kumar