title: Blood group gene frequencies in an Amish deme of Northern Indiana: comparison with other Amish demes.
mesh_terms: D000293:Adolescent; D000328:Adult; D001789:Blood Group Antigens; D005191:Family Characteristics; D005260:Female; D005787:Gene Frequency; D006801:Humans; D007196:Indiana; D008019:Life Style; D008297:Male; D008875:Middle Aged; D012067:Religion
chemical_list: D001789:Blood Group Antigens