Words similar to untreated--even

Example sentences for: untreated--even

How can you use “untreated--even” in a sentence? Here are some example sentences to help you improve your vocabulary:

Public Health Service from 1932 to 1972, that study left 412 black syphilitic men untreated--even after penicillin became widely available--in an attempt to determine the natural history of syphilis.