An Administrative Claims Model for Profiling Hospital 30-Day Mortality Rates for Pneumonia Patients Bratzler, Dale W. ; Normand, Sharon-Lise T. ; Wang, Yun ; O'Donnell, Walter J. ; Metersky, Mark ; Han, Lein F. ; Rapp, Michael T. ; Krumholz, Harlan M. Abstract Publication: PLoS ONE Pub Date: April 2011 DOI: 10.1371/journal.pone.0017401 Bibcode: 2011PLoSO...617401B