Role of purine metabolic enzymes and vitamin a in patients with oral cancer

Senior Resident, Department of Biochemistry 1 , Chacha Nehru Bal Chikitsalya Hospital, Associated to Maulana Azad Medical College, Geeta Colony, New Delhi-110031, India. Professor, Department of Biochemistry 2 , Jawaharlal Nehru Medical College and KLES Dr.Prabhakar Kore Hospital and Medical Research Center, Belgaum-590010, Karnataka, India. Associate Professor, Department of Otorhinolaryngology and Head and Neck Surgical Oncology 3 , Jawaharlal Nehru Medical College and KLES Dr.Prabhakar Kore Hospital and Medical Research Center, Belgaum-590010, Karnataka, India. *Corresponding Author Email: drshikhacnbc@gmail.com