Phancharoenkit N. Fentanyl-induced rigid chest syndrome after low-dose fentanyl: A case report: Ventilator waveforms as a clue to fentanyl–induced rigid chest syndrome. Clin Crit Care [internet]. 2026 Apr. 28 [cited 2026 Sep. 21];34(1):e260014. available from: https://he02.tci-thaijo.org/index.php/ccc/article/view/280804