Socioeconomic status and days alive and out of hospital after major elective noncardiac surgery: a population-based cohort study
Jerath A, Austin PC, Ko DT, Wijeysundera HC, Fremes S, Wijeysundera HC, Fremes F, McCormack D, Wijeysundera DN. Anesthesiology. 2020; 132(4):713-22. Epub 2020 Jan 13.