Dr Amithkumar S K, Dr Manjshree P Babladi, Dr Sahana Hiremath 2026. TO EVALUATE THE EFFICACY OF IV FENTANYL WITH FIELD INFILTRATION TO RELIEVE PAIN AND DISCOMFORT DURING INTERNAL JUGULAR VEIN CANNULATION. International Journal of Pharmacy Research & Technology (IJPRT). 16, 1 (May 2026), 4717–4719.