Progress toward a national blood system.
D001771:Blood Banks; D001782:Blood Donors; D001803:Blood Transfusion; D003153:Community Health Services; D003258:Consumer Behavior; D004470:Economics, Medical; D004526:Efficiency; D009934:Organization and Administration; D011641:Public Relations; D012011:Red Cross; D012926:Social Control, Formal; D012952:Societies; D014481:United States; D014492:United States Public Health Service