Changes

'''Etiology''' means "the cause of," particularly in a [[medicine|medical ]]context.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#e</ref>

'''Etiology''' is the study of cause, particularly in a [[medicine|medical ]]context.<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#e</ref>

==References==

==References==