Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-018-5160-z
Environmental Health	free resource	MedlinePlus Health Information	https://medlineplus.gov/environmentalhealth.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29448939/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29448939
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/121080
	free resource	scite Smart Citations	https://scite.ai/reports/29448939
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/57236