1. ISO/TC 172/SC 7/WO 7. Ophthalmic Implants - Ophthalmic Viscosurgical Devices. 1SO/DIS 15798, 1999.
2. Balazs EA. Ultrapure hyaluronic acid and the use thereof. U.S. Patent # 4, 141, 973. Oct. 17, 1979.
3. Rheology of intraocular solutions;Bothner,1986
4. Balazs EA, Miller D, Stegmann R, Viscosurgery and the use of ultrapure Na-hyaluronate in intraocular lens implantation. Paper presented at the International Congress and First Film Festival on IOL Implantation, Cannes, France, 1979.
5. Use of viscosurgical tools in ophthalmic surgery;Eisner,1986