THE SICKLE CELL TRAIT IN RELATION TO INFECTION.
D000349:Africa; D000486:Allergy and Immunology; D000740:Anemia; D000755:Anemia, Sickle Cell; D044383:Black People; D004813:Epidemiology; D004913:Erythrocytes, Abnormal; D006801:Humans; D007239:Infections; D012805:Sickle Cell Trait; D014481:United States; D001741:Black or African American
AFRICA; ANEMIA, SICKLE CELL; EPIDEMIOLOGY; IMMUNOLOGY; INFECTION; NEGROES; UNITED STATES