What Is An Antibiotic? by Learn.Genetics - Genetic Science Learning Center, The University of Utah, Salt Lake City, Utah, U.S.A..
Links for What is an Antibiotic?:
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http://learn.genetics.utah.edu/content/microbiome/antibiotics/
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Antibiotic Use FAQ by the Tennessee Department of Health, Nashville, Tennessee, U.S.A..
https://tn.gov/health/article/antibiotic-use-faq -
Antibiotics by Wikipedia, the free encyclopedia.
https://en.wikipedia.org/wiki/Antibiotics
