ABDUL MANAP, N. S.; MOHAMAD ZAINI, R. H.; MUHD SHUKERI, W. F.; OMAR, S.; ABU BAKAR, M. Z.; SEEVAUNNAMTUM, P. Pulse oximetry-based perfusion index as a non-invasive indicator of systemic hemodynamics during spinal anesthesia in cesarean delivery. Anaesthesia, Pain & Intensive Care, v. 28, n. 5, p. 927-932, 8 out. 2024.