title: Autologous blood transfusion for elective surgery.
mesh_terms: D000328:Adult; D000368:Aged; D001804:Blood Transfusion, Autologous; D005260:Female; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008297:Male; D008875:Middle Aged; D013514:Surgical Procedures, Operative; D014656:Vascular Surgical Procedures
chemical_list: D006454:Hemoglobins