title: Blood type gene frequency and mental ability: premature conclusions?
mesh_terms: D000293:Adolescent; D000483:Alleles; D001789:Blood Group Antigens; D002648:Child; D005260:Female; D005787:Gene Frequency; D006801:Humans; D007361:Intelligence Tests; D008297:Male; D009874:Operations Research; D011336:Probability
chemical_list: D001789:Blood Group Antigens