INCIDENCE AND PREDISPOSING FACTORS OF CANCER OF THE UPPER AERODIGESTIVE TRACT IN MUZAFFARNAGAR, UTTAR-PRADESH (A CLINICOPATHOLOGICAL STUDY) Journal title: PARIPEX-Indian Journal of Research Authors: Dr Masood Ahmad Khan, Dr Sandip M Parmar, Dr Upender Yadav, Dr Meenu Chaudhary Subject(s):