Name	Info	Provider	Link
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=31659794.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31659794/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/15488
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31659794
	subscription/membership/fee required	Wiley	https://doi.org/10.1002/mds.27873