https://scholar.google.com/scholar_lookup?title=Health+Safety+of+Soft+Drinks:+Contents,+Containers,+and+Microorganisms&author=Kregiel,+D.&publication_year=2015&journal=Biomed.+Res.+Int.&volume=2015&pages=128697&doi=10.1155/2015/128697&pmid=25695045