Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0025-6196(12)01038-5
Autonomic Nervous System Disorders	free resource	MedlinePlus Health Information	https://medlineplus.gov/autonomicnervoussystemdisorders.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23218087.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23218087/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23218087
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0025-6196(12)01038-5
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:23218087