M.KISHORE BABU; B. SASIDHAR; K.SRIRAMA KRISHNA; M.RAJAN. Improved postoperative recovery after gastrointestinal surgery with opioid-free anesthesia: present state, obstacles, and future possibilities . Journal of Science & Technology , [S. l.], v. 10, n. 7, p. 37–52, 2025. Disponível em: https://jst.org.in/index.php/pub/article/view/1473. Acesso em: 2 jan. 2026.