title: [Real frequency of weak B phenotype].
mesh_terms: D000017:ABO Blood-Group System; D005787:Gene Frequency; D006801:Humans; D007519:Isoantigens / Q000032:analysis; D010375:Pedigree; D010641:Phenotype
chemical_list: D000017:ABO Blood-Group System; D007519:Isoantigens
vernacular_title: Fréquence réelle des phénotypes B faible.