title: The "half and half fingernail", a clue to chronic renal failure (a clinical observation).
mesh_terms: D005385:Fingers / Q000473:pathology; D006801:Humans; D007676:Kidney Failure, Chronic / Q000175:diagnosis* / Q000473:pathology; D009262:Nails / Q000473:pathology*; D010858:Pigmentation