1. Drance SM Applied Pharmacology of the Glaucomas Williams and Wilkins
2. Management of failing filtering blebs with the argon laser;Hoskins;Ophthalmic Surg,1984
3. Releasable scleral flap suture;Cohen;Ophthal Clinics N Amer,1988
4. Repair of an inadvertent buttonhole or leaking filtering bleb;Petursson;Arch Ophthalmol,1979