How much do RI hospital charge for procedures? How we analyzed the data

The Providence Journal used that pricing data to analyze 19 billing codes at 10 of the state’s acute-care hospitals.
Scientific Research Publishing

A Study on the Influence of Solar Flares on High Frequency Radio Propagation ()

Solar Flare, X-ray Flux, Ionosphere, HF Propagation, Sudden Ionospheric Disturbance, Broadcast Transmitters Share and Cite: ...