... 11(7):646-53.4. Mehrotra R, Pandya S, Chaudhary AK, Kumar M, Singh M: Prevalence of oral pre-malignant and malignant lesions at a tertiary level hospital inAllahabad, India. Asian Pac J Cancer Prev 2008, ... and PCR based assay for the detection of human papillomavirus DNA in oral submucousfibrosis and oral squamous cell carcinomaAjay Kumar Chaudhary1,2*, Shruti Pandya2, Ravi Mehrotra2, Alok ... coordination as well as helped to draft the manuscript. MS, ACB and RM participated in coordination of the study. All authors read and approved the final manuscript.Competing interests The authors declare...