Arafa, O., Elmaghraby, M., Elgazar, M., Elbatal, A. (2020). 'Comparative Study between “COMFORT Scale” and “Facial Expression” as Pain Assessment Tools in Ventilated Patient after Adult Cardiac Surgeries', Benha Journal of Applied Sciences, 5(Issue 5 part (2)), pp. 229-233. doi: 10.21608/bjas.2020.189355