1. Ocular microtherapy: membrane-controlled drug delivery;Richardson;Arch. Ophthalmol.,1975
2. New ophthalmic drug delivery systems;Shell,1980
3. Ocular controlled drug administration;Chien,1982
4. Ocular pharmacology of drug release devices;Norio,1983
5. Ophthalmic drug delivery systems;Shell;Surv. Ophthalmol.,1984