Effect of blood transfusions on survival after cancer surgery.
D001803:Blood Transfusion; D001943:Breast Neoplasms / Q000401:mortality*; D003110:Colonic Neoplasms / Q000401:mortality*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality*; D008297:Male; D011184:Postoperative Period