Year, Count, Co-author(s) 2008,5,"Austin, M.; Margolis, Karen L., MD, MPH; Graves, D. E.; Craven, T. E.; Lipkin, E. W." 2013,6,"Katula, J.; Pedley, C.; Margolis, Karen L., MD, MPH; O'Connor, Patrick J., MD, MA, MPH; Craven, T. E.; Lipkin, E. W."