Newhouse, JosephGarber, Alan2016-06-202013Newhouse, Joseph P., and Alan M. Garber. 2013. “Geographic Variation in Medicare Services.” N Engl J Med 368 (16) (April 18): 1465–1468. doi:10.1056/nejmp1302981.0028-4793http://nrs.harvard.edu/urn-3:HUL.InstRepos:27351251en-USGeographic Variation in Medicare ServicesJournal Article2016-06-2010.1056/NEJMp1302981