TY - GEN AU - Dr. Muhammad Mohiuddin Alamgir TI - Genetic polymorphism of CYPIAI, GSTM1 and GSTT1 among various tobacco habit groups with susceptibilty to oral pre-cancerous lesions and squamous cell carcinoma PY - 2017/// CY - Karachi PB - Faculty of Health Sciences, Ziauddin University N1 - Thesis (Ph.D. in Pathology) -- Ziauddin University, 2017; Includes bibliographical references (117-146) ER -