Kaplan Meier 5 year Survival of Trabeculectomies E BensonSarah MandalKaveri V BunceCatey G FraserScott 2011 <p><b>Copyright information:</b></p><p>Taken from "Is post-trabeculectomy hypotony a risk factor for subsequent failure? A case control study"</p><p>BMC Ophthalmology 2005;5():7-7.</p><p>Published online 5 Apr 2005</p><p>PMCID:PMC1079872.</p><p>Copyright © 2005 Benson et al; licensee BioMed Central Ltd.</p>