Name	Info	Provider	Link
Germs and Hygiene	free resource	MedlinePlus Health Information	https://medlineplus.gov/germsandhygiene.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27381729/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27381729
	free resource	scite Smart Citations	https://scite.ai/reports/27381729
	subscription/membership/fee required	Zhejiang University Press	http://www.jzus.zju.edu.cn/article.php?doi=10.1631/jzus.B1500327