@article{KorkConradWeissetal.2018, author = {F. Kork 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}, volume = {73}, number = {6}, pages = {711 -- 718}, year = {2018}, }