@article {69906,
	title = {Mortality Reduction among Pneumonia Patients Still Substantial despite the Impact of Coding Changes},
	journal = {The American Journal of Medicine},
	volume = {126},
	number = {3},
	year = {2013},
	pages = {266-269},
	author = {Gregory W. Ruhnke and Marcelo Coca Perraillon and David M Cutler}
}
