title: Selective pressure on HL-A polymorphism.
mesh_terms: D000462:Algeria; D000483:Alleles; D044383:Black People; D002874:Chromosome Mapping; D005260:Female; D005787:Gene Frequency; D005789:Genealogy and Heraldry; D005838:Genotype; D006649:Histocompatibility Antigens; D006720:Homozygote; D006801:Humans; D007178:Inbreeding; D008297:Male; D011110:Polymorphism, Genetic; D012641:Selection, Genetic
chemical_list: D006649:Histocompatibility Antigens