Fig. 5From: Natural language processing (NLP) to facilitate abstract review in medical research: the application of BioBERT to exploring the 20-year use of NLP in medical researchProportion and growth of the most prevalent primary research fields since the year 2000 and the percentage of selected subgroups of the “context of use” and the “text source” of the total for the subgroups of the primary research fieldBack to article page