title: Letter: Autoregulation in the retinal circulation.
mesh_terms: D001775:Blood Circulation; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D007429:Intraocular Pressure; D010100:Oxygen / Q000097:blood; D012161:Retinal Artery
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen