title: Erythropoietin and preoperative blood donation.
mesh_terms: D001804:Blood Transfusion, Autologous; D004912:Erythrocytes / Q000187:drug effects; D004921:Erythropoietin / Q000494:pharmacology*; D006801:Humans; D011300:Preoperative Care; D011994:Recombinant Proteins / Q000494:pharmacology; D013997:Time Factors
chemical_list: D011994:Recombinant Proteins; D004921:Erythropoietin