Indrapriyadharshini K, Sekar B, Saranyan R, Nirmal RM, Murugesan A, Yoithapprabhunath TR. Immunohistochemical Expression of Epidermal Growth Factor Receptor among Metastatic and Nonmetastatic Oral Squamous Cell Carcinomas. World J Dent 2019; 10 (6):435-439.