@article {pmid16606377,
	title = {Association of postoperative complications with hospital costs and length of stay in a tertiary care center},
	journal = {J Gen Intern Med},
	volume = {21},
	number = {2},
	year = {2006},
	month = {Feb},
	pages = {177{\textendash}180},
	author = {Khan, N. A. and Quan, H. and Bugar, J. M. and Lemaire, J. B. and Brant, R. and Ghali, W. A.}
}
