Emerging Trends and New Developments in Transient Elastography: A Bibliometric and Cocitation Analysis from 1999 to 2017

Figure 4

Conditions of transient elastography's research in different countries over time. The number of most-cited articles in each country in three periods which are represented by three colors: the period from 2003 to 2007 (blue), the period from 2008 to 2012 (red), and the period from 2013 to 2017 (green). If no article was on the list of the 100 most-cited articles from a particular country in a certain period, there will be no bar referring to that country shown in the period.