title: ABO status and T-cell help.
authors.forename: M
authors.initials: M
authors.lastname: Contreras
authors.forename: A
authors.initials: A
authors.lastname: Lubenko
mesh_terms: D000017:ABO Blood-Group System / Q000276:immunology*; D000917:Antibody Formation; D006801:Humans; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000017:ABO Blood-Group System