1. Port permanent: Hema 40 ou silicone;Albarea, A.; Bouron, P.; Deflus, S.; Cocmet, P.,1978
2. th Congress of the European Contact Lens Society of Ophthalmologists,1978
3. Silicone Contact Lens;Becker, W.E.,1959
4. Black, C. J. (1972). Silicone Lens. Chapter 14 in Soft Contact Lens Symposium and Workshop of the University of Florida. Edited by A. R. Gassett and M. E. Kaufman. Mosby: St. Louis.
5. Oxygen flow data can be misleading;Fitzgerald, J.K.; Jones, D.P.;International Contact Lens,1978