Survey of blood ordering practices for 12 elective surgical procedures.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001771:Blood Banks / Q000706:statistics & numerical data*; D001789:Blood Group Antigens; D001803:Blood Transfusion / Q000191:economics / Q000706:statistics & numerical data*; D002648:Child; D005260:Female; D006761:Hospitals; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care; D013514:Surgical Procedures, Operative / Q000191:economics; D014922:Wisconsin
D001789:Blood Group Antigens