Name Info Provider Link
Fainting free resource MedlinePlus Health Information https://medlineplus.gov/fainting.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22532643.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22532643/
free resource Wiley https://doi.org/10.1113/jphysiol.2012.231282