Data watch. Multispecialty groups show strongest growth.
D016542:Chief Executive Officers, Hospital; D003625:Data Collection; D004465:Economic Competition / Q000706:statistics & numerical data; D006123:Group Practice / Q000706:statistics & numerical data*; D008505:Medical Staff, Hospital; D008511:Medicine / Q000706:statistics & numerical data*; D011331:Private Practice / Q000706:statistics & numerical data; D013038:Specialization; D014481:United States