Name	Info	Provider	Link
Full text from AIR - Univ. Milan	free resource	Archivio Istituzionale della Ricerca Unimi	https://air.unimi.it/handle/2434/528509
Health Facilities	free resource	MedlinePlus Health Information	https://medlineplus.gov/healthfacilities.html
	free resource	Societa Editrice Universo, srl	http://www.seu-roma.it/riviste/annali_igiene/open_access/articoli/29-06_05-Tardivo.pdf