authors Lindenauer, Peter K Stefan, Mihaela S Shieh, Meng-Shiou Pekow, Penelope S Rothberg, Michael B Hill, Nicholas S
has subject area Aged Cross-Sectional Studies Female Follow-Up Studies Hospital Mortality Humans Length of Stay Male Middle Aged Outcome Assessment, Health Care Pulmonary Disease, Chronic Obstructive Respiration, Artificial Retrospective Studies Risk Assessment United States