Quantitative Immunoexpression of EGFR in Oral Potentially Malignant Disorders: Oral Leukoplakia and Oral Submucous Fibrosis oleh Naga Jyothi Meka, Sridevi Ugrappa, Nagalaxmi Velpula, Sravan Kumar, Kotya Naik Maloth, Srikanth Kodangal, Lalitha ch, Stuti Goyal