http://www.dartmouthatlas.org/data/region/ Hospital Referral Region http://www.dartmouthatlas.org/data/region/ http://www.dartmouthatlas.org/data/region/ http://www.dartmouthatlas.org/data/region/ http://www.dartmouthatlas.org/data/region/ Dartmouth Atlas http://www.dartmouthatlas.org/data/region/ http://www.dartmouthatlas.org/data/region/ http://www.dartmouthatlas.org/data/region/ http://www.dartmouthatlas.org/data/region/ 306 healthcare markets hospital-referral regions http://www.dartmouthatlas.org/data/region/ Dartmouth Atlas of Health Care hospital referral regions trends in the use of health care "Data by Region, the Dartmouth Atlas of Health Care" Dartmouth Atlas of Health Care http://www.dartmouthatlas.org/data/region/ Dartmouth Atlas the Dartmouth Atlas Hospital Referral Regions Dartmouth Health Atlas http://www.dartmouthatlas.org/data/region/ http://www.dartmouthatlas.org/data/region/ hospital-referral regions www.dartmouthatlas.org/data/region/ regional hospital market http://www.dartmouthatlas.org/data/region/ Hospital Referral Regions http://www.dartmouthatlas.org/data/region/ The Dartmouth Atlas Group Hospital Referral Region Dartmouth Atlas http://www.dartmouthatlas.org/data/region/ Dartmouth Atlas DATA BY REGION Data By Region