TY - JOUR T1 - Correction: Clinical practice guideline: evidence, recommendations and algorithm for the preoperative optimization of anemia, hyperglycemic and smoking JF - Canadian Journal of Surgery JO - CAN J SURG SP - E619 LP - E619 DO - 10.1503/cjs.019421 VL - 64 IS - 6 A2 - , Y1 - 2021/11/18 UR - http://canjsurg.ca/content/64/6/E619.abstract ER -