@article {428971,
	title = {Surgeon Specialization and Operative Mortality in United States: Retrospective Analysis},
	journal = {BMJ},
	volume = {354},
	number = {i3571},
	year = {2016},
	month = {24 Jun 2016},
	pages = {1-9},
	author = {David M Cutler and Sahni, Nikhil and Maurice Dalton and Birkmeyer, John and Amitabh Chandra}
}
