title: Studies on the geographic distribution of the human serum beta-lipoprotein antigen Ag(x).
mesh_terms: D000328:Adult; D000367:Age Factors; D000810:Angola; D000941:Antigens; D001315:Australia; D002031:Bulgaria; D005260:Female; D005787:Gene Frequency; D014644:Genetic Variation; D005828:Genetics, Population; D005860:Germany, West; D006115:Greece; D006801:Humans; D008077:Lipoproteins, LDL / Q000276:immunology*; D008297:Male; D010641:Phenotype; D011110:Polymorphism, Genetic; D012675:Senegal; D012737:Sex Factors
chemical_list: D000941:Antigens; D008077:Lipoproteins, LDL