By the numbers. Hospitals/healthcare systems.
D002309:Cardiology / Q000193:education; D019538:Health Care Surveys; D006761:Hospitals / Q000706:statistics & numerical data*; D006764:Hospitals, Community / Q000706:statistics & numerical data; D006784:Hospitals, Teaching / Q000706:statistics & numerical data; D007396:Internship and Residency / Q000706:statistics & numerical data; D009935:Organizational Affiliation / Q000706:statistics & numerical data; D010067:Ownership / Q000706:statistics & numerical data; D010564:Personnel, Hospital / Q000706:statistics & numerical data; D014481:United States