Name	Info	Provider	Link
Hearing Aids	free resource	MedlinePlus Health Information	https://medlineplus.gov/hearingaids.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32752751/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32752751
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:32752751
	subscription/membership/fee required	Silverchair Information Systems	https://pubs.aip.org/asa/jasa/article-lookup/doi/10.1121/10.0001600