Green coffee beans may solve a blood bank problem.
D000017:ABO Blood-Group System; D000818:Animals; D001771:Blood Banks; D003069:Coffee; D004912:Erythrocytes / Q000187:drug effects*; D005696:Galactosidases / Q000494:pharmacology*; D006801:Humans; D006922:Hylobates; D000519:alpha-Galactosidase / Q000494:pharmacology*
D000017:ABO Blood-Group System; D003069:Coffee; D005696:Galactosidases; D000519:alpha-Galactosidase