Background/Aims: Doppler sonography has been used to assess hepatic arterial perfusion in a number of published reports. However, adequate validation studies are available for neither the transcutaneous nor the intravascular Doppler approach.
Bitcoin Production Will Drop By Half In July, How Will That Affect The Price? One of the most fascinating aspects of the Bitcoin narrative is the trajectory of its price. Since its birth seven years ago, this abstract currency that only exists as computer code and/or in a small but rabid collective conscious has gone from completely worthless to almost $450 for a single Bitcoin.
Several hours later, bitcoin prices declined once again, hitting its weekly low of $404.45 at 09:00 UTC on 19th March before recovering to $412.20 at 18:00 UTC on 19th March. The currency kept zig-zagging, rising to $418.41 by 21:00 UTC on 23th March.