title: Erratum to: Comparative Analysis of Length of Stay and Inpatient Costs for Orthopedic Surgery Patients Treated with IV Acetaminophen and IV Opioids vs. IV Opioids Alone for Post-Operative Pain.
authors: Pharmaceutical Outcomes Research and Policy Program, School of Pharmacy, University of Washington, Seattle, WA, USA. rhansen@uw.edu.
authors: Ryan N
authors: RN
authors: Hansen
authors: Mallinckrodt Pharmaceuticals, Hazelwood, MO, USA.
authors: An
authors: A
authors: Pham
authors: Optum Hospice Pharmacy Services, St. Louis, MO, USA.
authors: Scott A
authors: SA
authors: Strassels
authors: United BioSource Corporation, St. Louis, MO, USA.
authors: Stela
authors: S
authors: Balaban
authors: Mallinckrodt Pharmaceuticals, Hazelwood, MO, USA.
authors: George J
authors: GJ
authors: Wan