Usage History of 'biotechs'

The following chart shows how frequently 'biotechs' appeared in printed materials over time. For example, the word 'biotechs' occurred 4 times in books in 1955 and 365 times in 2008. From 1955 to 2008, the word 'biotechs' was used a total of 5,640 times in books scanned by Google. See Reference: Google Ngram project.

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