Javed, A., M. O. Arshad, J. Nasir, M. H. Chatni, and B. Ayub. “Comparison Between the Values of Intra-Ocular Pressure Measured by Goldmann Applanation Tonometer and Air-Puff Non-Contact Tonometer and Their Relationship With Central Corneal Thickness”. Journal of the Pakistan Medical Association, vol. 72, no. 01, May 2022, p. 149, doi:10.47391/JPMA.11-1978.