title: Collaborative normal-tension glaucoma study.
authors.forename: A
authors.initials: A
authors.lastname: Sommer
mesh_terms: D018450:Disease Progression; D005902:Glaucoma, Open-Angle / Q000188:drug therapy / Q000503:physiopathology*; D006801:Humans; D007429:Intraocular Pressure; D009901:Optic Nerve Diseases / Q000503:physiopathology; D016032:Randomized Controlled Trials as Topic