title: Geographic variation in the utilization of noninvasive diagnostic imaging: national medicare data, 1998-2007.
authors.affiliation: Department of Radiology, Center for Research on the Utilization of Imaging Services, Thomas Jefferson University Hospital, 132 S 10th St, 10th Fl Main, Philadelphia, PA 19107, USA. laurence.parker@jefferson.edu
authors.forename: Laurence
authors.initials: L
authors.lastname: Parker
authors.forename: David C
authors.initials: DC
authors.lastname: Levin
authors.forename: Andrea
authors.initials: A
authors.lastname: Frangos
authors.forename: Vijay M
authors.initials: VM
authors.lastname: Rao
mesh_terms: D003952:Diagnostic Imaging / Q000706:statistics & numerical data*; D006801:Humans; D006278:Medicare / Q000706:statistics & numerical data*; D014481:United States