title: Letter: Aspects of clonidine therapy.
mesh_terms: D001794:Blood Pressure; D003000:Clonidine / Q000627:therapeutic use*; D005901:Glaucoma / Q000188:drug therapy; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D009900:Optic Nerve / Q000098:blood supply
chemical_list: D003000:Clonidine