title: [Determination of the ABO-group substance in the urine of secretors and non-secretors].
mesh_terms: D000017:ABO Blood-Group System / Q000652:urine*; D000042:Absorption; D006801:Humans; D007158:Immunologic Techniques; D008722:Methods
chemical_list: D000017:ABO Blood-Group System
vernacular_title: Nachweis der ABO-Gruppensubstanz im Urin von Ausscheidern und Nichtausscheidern