Figure 2.

Searching the corpus of Med Inform Internet Med abstracts (1999–June 2004) in MetaCarta. Searching the corpus of Med Inform Internet Med abstracts (1999–June 2004) in MetaCarta for the keyword 'NHS' yielded two abstracts, one mapped to Oxford, UK, with two occurrences of the word 'NHS' in it (Med Inform Internet Med 2003 Jun, 28(2):129-34) and the other mapped to York, UK, with only one occurrence of the same word (Med Inform Internet Med 1999 Jul-Sep, 24(3):223-9).