@article{KorkSpiesConradetal.2018, author = {F. Kork and Claudia Spies and Tim Conrad and B. Weiss and T. Roenneberg and K.-D. Wernecke and Felix Balzer}, title = {Associations of postoperative mortality with the time of day, week and year}, journal = {Anaesthesia}, year = {2018}, note = {accepted for publication} }