18. Stapleton, F., Stretton, S., Papas, E., Skotnitsky, C.; Sweeney, D.F. Silicone Hydrogel Contact Lenses and the Ocular Surface The Ocular Surface. 2006. 4(1): 24-43(20).

18. Stapleton, F., Stretton, S., Papas, E., Skotnitsky, C.; Sweeney, D.F. Silicone Hydrogel Contact Lenses and the Ocular Surface The Ocular Surface. 2006. 4(1): 24-43(20).