title: Letter: Pigmented corneal rings in a patient with primary biliary cirrhosis.
mesh_terms: D003315:Cornea / Q000473:pathology*; D003937:Diagnosis, Differential; D006527:Hepatolenticular Degeneration / Q000175:diagnosis; D006801:Humans; D008105:Liver Cirrhosis, Biliary / Q000175:diagnosis / Q000473:pathology*