PT - JOURNAL ARTICLE ED - , TI - Correction: Clinical practice guideline: evidence, recommendations and algorithm for the preoperative optimization of anemia, hyperglycemic and smoking AID - 10.1503/cjs.019421 DP - 2021 Nov 18 TA - Canadian Journal of Surgery PG - E619--E619 VI - 64 IP - 6 4099 - http://canjsurg.ca/content/64/6/E619.short 4100 - http://canjsurg.ca/content/64/6/E619.full SO - CAN J SURG2021 Nov 18; 64