Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0045-6535(19)30015-3
Ozone	free resource	MedlinePlus Health Information	https://medlineplus.gov/ozone.html
Full text from	free resource	RiuNet Universitat Politecnica de Valencia	https://riunet.upv.es/handle/10251/118453