Ultrasound Guided Versus Cystoscopy Guided Obturator Nerve Block (ONB) in Transurethral Resection of Bladder Tumours (TURBT): A Comparison of Haemodynamic Status of the Patients. Bangladesh Journal of Medical Science, [S. l.], v. 22, n. 2, p. 348–352, 2023. DOI: 10.3329/bjms.v22i2.64994. Disponível em: https://banglajol.info/index.php/BJMS/article/view/64994. Acesso em: 27 jun. 2026.