authors Stefan, Mihaela S Shieh, Meng-Shiou Pekow, Penelope S Hill, Nicholas Rothberg, Michael B Lindenauer, Peter K
has subject area Adult Aged Aged, 80 and over Female Follow-Up Studies Hospital Mortality Humans Inpatients Length of Stay Male Middle Aged Prevalence Prognosis Pulmonary Disease, Chronic Obstructive Recurrence Respiration, Artificial Retrospective Studies United States