Dr. Kagitapu OmSaiPriya, Dr. Sangeetha T. A COMPARATIVE STUDY OF MELATONIN AND PREGABALIN ON PREOPERATIVE ANXIETY AND PAIN IN SECOND EYE CATARACT SURGERY. J Popl Ther Clin Pharmacol. 2026;33(2):501-506. doi:10.69980/g93ftc82