title: Letter: Cold agglutinins in sickle-cell crisis.
mesh_terms: D000373:Agglutinins / Q000032:analysis*; D000755:Anemia, Sickle Cell / Q000097:blood*; D044383:Black People; D003080:Cold Temperature; D006801:Humans; D012805:Sickle Cell Trait / Q000097:blood*
chemical_list: D000373:Agglutinins