EFFICACY OF ULTRASOUND-GUIDED BILATERAL ERECTOR SPINAE PLANE BLOCK AS A COMPONENT OF MULTIMODAL ANALGESIA FOR POSTOPERATIVE PAIN CONTROL AFTER LAPAROSCOPIC CHOLECYSTECTOMY: A PROSPECTIVE COMPARATIVE OBSERVATIONAL STUDY AT A TERTIARY CARE HOSPITAL. Cuestiones de Fisioterapia, [S. l.], v. 51, n. 3, p. 294–304, 2021. DOI: 10.48047/px58ny68. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/4174.. Acesso em: 28 jun. 2026.