title: Letter: Plasma-zinc in sickle-cell anaemia.
mesh_terms: D000755:Anemia, Sickle Cell / Q000097:blood*; D044383:Black People; D006801:Humans; D007871:Leg Ulcer / Q000097:blood; D009549:Nigeria; D044465:White People; D015032:Zinc / Q000097:blood*
chemical_list: D015032:Zinc