Kok, J. H. C., & Cheng, K. H. (1991). Improvement of visual acuity and corneal physiology in keratoconus by fitting aspherical, high oxygen-permeable contact lenses. Springer.
Chicago Style (17th ed.) CitationKok, J. H. C., and K. H. Cheng. Improvement of Visual Acuity and Corneal Physiology in Keratoconus by Fitting Aspherical, High Oxygen-permeable Contact Lenses. Springer, 1991.
MLA (9th ed.) CitationKok, J. H. C., and K. H. Cheng. Improvement of Visual Acuity and Corneal Physiology in Keratoconus by Fitting Aspherical, High Oxygen-permeable Contact Lenses. Springer, 1991.
Warning: These citations may not always be 100% accurate.