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. 2015 Sep 22;6(6):741–752. doi: 10.1007/s13244-015-0430-0

Fig. 4.

Fig. 4

Radiology Tag Ontology displaying the activity on Twitter related to radiology. Each hashtag is represented by a different colour, e.g. #abdrad (abdominal radiology) is dark blue. Source: http://bit.ly/1I9wD75. Accessed Sept 2015