Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://www.liebertpub.com/doi/10.1089/brain.2020.0939?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
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33626962/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33626962
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/190716
	free resource	scite Smart Citations	https://scite.ai/reports/33626962