title: Lp and Ag systems in Venezuelan populations.
mesh_terms: D044383:Black People; D006801:Humans; D007106:Immune Sera; D007114:Immunization; D005779:Immunodiffusion; D007199:Indians, South American; D008074:Lipoproteins / Q000032:analysis*; D008967:Molecular Biology; D014687:Venezuela; D044465:White People
chemical_list: D007106:Immune Sera; D008074:Lipoproteins