Type and screen: seven steps to success.
D001771:Blood Banks / Q000592:standards*; D001788:Blood Grouping and Crossmatching / Q000379:methods*; D001803:Blood Transfusion / Q000706:statistics & numerical data; D006746:Hospital Bed Capacity, 500 and over; D006801:Humans; D007087:Illinois; D009873:Operating Rooms / Q000592:standards*; D014941:Work Simplification