Veatch's proposal may not work.
Spital
A
A
D000017:ABO Blood-Group System / Q000276:immunology*; D001787:Blood Group Incompatibility / Q000276:immunology*; D033001:Directed Tissue Donation / Q000941:ethics*; D006801:Humans; D016030:Kidney Transplantation / Q000941:ethics*; D019520:Living Donors / Q000941:ethics*
D000017:ABO Blood-Group System