Fig. 2From: Use of literature mining for early identification of emerging contaminants in freshwater resourcesSearch terms used to search Scopus® for articles reporting on the first identification of chemical or microbial contaminants in the aquatic environment. Search terms were searched for in title, keywords and abstracts. Additional information: _ = search term was used with, and without, the use of a space, * = any combination of characters, → = ANDBack to article page