title: Clonidine in chronic simple glaucoma.
mesh_terms: D000368:Aged; D002908:Chronic Disease; D003000:Clonidine / Q000627:therapeutic use*; D005902:Glaucoma, Open-Angle / Q000188:drug therapy*; D006801:Humans; D008875:Middle Aged
chemical_list: D003000:Clonidine