title: The black population in the United States.
authors.affiliation: Lombardi Cancer Center, Georgetown University School of Medicine, Washington, DC 20007.
authors.forename: A H
authors.initials: AH
authors.lastname: Johnson
mesh_terms: D044383:Black People / Q000235:genetics*; D005787:Gene Frequency; D006681:HLA-D Antigens / Q000235:genetics*; D015395:Histocompatibility Antigens Class I / Q000235:genetics*; D006801:Humans; D011110:Polymorphism, Genetic; D014481:United States; D001741:Black or African American
chemical_list: D006681:HLA-D Antigens; D015395:Histocompatibility Antigens Class I