Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://www.neurology.org/doi/10.1212/01.wnl.0000234880.51322.16?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Parkinson's Disease	free resource	MedlinePlus Health Information	https://medlineplus.gov/parkinsonsdisease.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=16801642.ui
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:16801642