Variability in physicians' decisions on caring for chronically ill elderly patients: An international study

E. Alemayehu, D. W. Molloy, G. H. Guyatt, J. Singer, G. Penington, J. Basile, M. Eisemann, P. Finucane, M. E.T. McMurdo, A. Zelmanowicz, J. Puxty, C. Powell, L. Vitou, S. A. Levenson, I. D. Turpie