Afshan, Gauhar, and Ali Sarfraz Siddiqui. “Pain Assessment in Critically Ill Patients in Low Resource Countries”. Anaesthesia, Pain & Intensive Care 22, no. 1 (October 28, 2019): S83-S87. Accessed April 3, 2025. https://mail.apicareonline.com/index.php/APIC/article/view/1107.