The sickle-cell trait in western Nigeria; a survey of 1,881 cases in the Yoruba.
D000740:Anemia; D000755:Anemia, Sickle Cell / Q000453:epidemiology* / Q000706:statistics & numerical data*; D004913:Erythrocytes, Abnormal; D009549:Nigeria; D012805:Sickle Cell Trait
ANEMIA, SICKLE CELL/epidemiology and statistics