IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-2-40531 Original Research Paper A comparative study of tolvaptan (15 mg and 30 mg) to prevent hyponatremia in transurethral resection of prostate surgery-a randomized double blind study Sunil Kumar Dr. Dr. B B Baj Dr. Dr. Durga Jethava Dr. February 2022 11 2 01 02