Effect of melatonin on postoperative cognitive function in elderly patients submitted to transurethral resection of the prostate under spinal anesthesia☆ - Tavares, Cristiane; Memoria, Claudia Maia; Costa, Luiz Guilherme Villares da; Quintao, Vinicius Caldeira; Antunes, Alberto Azoubel; Teodoro, Deborah; Carmona, Maria José Carvalho (Clinics, 2025)