title: Nationwide Evaluation of X-Ray Trends.
authors.affiliation: US Food and Drug Administration, Division of Mammography Quality and Radiation Programs, 1350 Piccard Drive, HFZ-240, Rockville, MD 20850, USA. david.spelic@fda.hhs.gov
authors.forename: David C
authors.initials: DC
authors.lastname: Spelic
mesh_terms: D001822:Body Burden; D019538:Health Care Surveys / Q000379:methods*; D006801:Humans; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data* / Q000639:trends*; D011859:Radiography / Q000706:statistics & numerical data* / Q000639:trends*; D014481:United States