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