title: In(Lu): SYN-1 notation.
mesh_terms: D006801:Humans; D007519:Isoantigens / Q000096:biosynthesis*; D008188:Lutheran Blood-Group System / Q000235:genetics*; D013489:Suppression, Genetic; D009626:Terminology as Topic
chemical_list: D007519:Isoantigens; D008188:Lutheran Blood-Group System