Outcomes of Ultrasound Guided Versus Cystoscopy Guided Obturator Nerve Block (Obn) In Transurethral Resection Of Bladder Tumour (Turbt). J Dhaka Med Coll [Internet]. 2023 Jan. 29 [cited 2026 Jul. 9];30(2):208-13. Available from: https://banglajol.info/index.php/JDMC/article/view/56928