Combined trabeculotomy-trabeculectomy versus Ahmed valve implantation for refractory primary congenital glaucoma in Egyptian patients: a long-term follow-up. Journal title: Electronic Physician Authors: Hazem Helmy Subject(s):
Managing high risk glaucoma with the Ahmed valve implant: 20 years of experience Journal title: International Journal of Ophthalmology Authors: Tryfon Rotsos Subject(s):