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.
As the market valuation of the total stock of bitcoins approached US$1 billion, some commentators called bitcoin prices a bubble. In early April 2013, the price per bitcoin dropped from $266 to around $50 and then rose to around $100. Over two weeks starting late June 2013 the price dropped steadily to $70. The price began to recover, peaking once again on 1 October at $140.