title: Studies on the secretion of blood group substances. II. Observations on the red cell phenotype Le(a-b-x-).
mesh_terms: D000017:ABO Blood-Group System; D044383:Black People; D004912:Erythrocytes / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007125:Immunogenetics; D007519:Isoantigens / Q000032:analysis*; D007983:Lewis Blood Group Antigens; D010375:Pedigree; D010641:Phenotype; D012463:Saliva / Q000276:immunology*; D044465:White People
chemical_list: D000017:ABO Blood-Group System; D007519:Isoantigens; D007983:Lewis Blood Group Antigens