Name	Info	Provider	Link
Sun Exposure	free resource	MedlinePlus Health Information	https://medlineplus.gov/sunexposure.html
	subscription/membership/fee required	Royal Society of Chemistry	https://doi.org/10.1039/b9pp00156e
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:20354651