The research, development, and technology machine.
D004059:Diffusion of Innovation; D006761:Hospitals; D008096:Lithotripsy; D008279:Magnetic Resonance Imaging; D012106:Research; D013673:Technology Assessment, Biomedical; D014055:Tomography, Emission-Computed; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography; D014481:United States