Usage History of 'cephalothins'

The following chart shows how frequently 'cephalothins' appeared in printed materials over time. For example, the word 'cephalothins' occurred 2 times in books in 1968 and 4 times in 2007. From 1968 to 2007, the word 'cephalothins' was used a total of 285 times in books scanned by Google. See Reference: Google Ngram project.

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