@article {pmid11556927,
	title = {Risk adjustment using administrative data: impact of a diagnosis-type indicator},
	journal = {J Gen Intern Med},
	volume = {16},
	number = {8},
	year = {2001},
	month = {Aug},
	pages = {519{\textendash}524},
	author = {Ghali, W. A. and Quan, H. and Brant, R.}
}
