Published on in Vol 15, No 8 (2013): August
This is a member publication of Washington University School of Medicine Library, Saint Louis MO, USA
1 VA Ann Arbor Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, MI, United States
2 Division of General Medicine, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
3 Center for Statistical Consultation and Research, University of Michigan, Ann Arbor, MI, United States
4 Department of Family Medicine, University of Michigan, Ann Arbor, MI, United States