Lisa A Simpson1, Richard Marshall. 1. Child Policy Research Center, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio 45299-3039, USA. lisa.simpson@cchmc.org
Authors: Karen Gibson; Peter Szilagyi; Carlos M Swanger; Thomas Campbell; Thomas McInerny; Joseph Duckett; Joseph J Guido; Kevin Fiscella Journal: J Am Board Fam Med Date: 2010 Jul-Aug Impact factor: 2.657