S. Abbas, A. Rafique, D. Dilshad, and B. Abbas, “COMPARISON OF INTRAOCULAR PRESSURE AND HAEMODYNAMIC RESPONSES TO INSERTION OF THE I - GEL AND ENDOTRACHEAL TUBE IN ELECTIVE OPHTHALMOLOGICAL SURGERIES”, PAFMJ, vol. 71, no. 3, pp. 1046–50, Jun. 2021.