Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://joi.jlc.jst.go.jp/JST.Journalarchive/geriatrics1964/38.528?lang=en&from=PubMed
Dementia	free resource	MedlinePlus Health Information	https://medlineplus.gov/dementia.html