Vandana Thathy, JoAnn M Moulds, Bernard Guyah, Walter Otieno, José A Stoute (BioMed Central, 2005)
Background: It has been hypothesized that the African alleles Sl2 and McCb of the Swain-Langley
(Sl) and McCoy (McC) blood group antigens of the complement receptor 1 (CR1) may confer a
survival advantage in the setting ...