Differences in HIV infection between African Americans and native Africans.
D000163:Acquired Immunodeficiency Syndrome / Q000208:ethnology* / Q000209:etiology; D000349:Africa / Q000208:ethnology; D001741:Black or African American; D044383:Black People; D006801:Humans; D014481:United States; D014900:West Indies / Q000208:ethnology