Name Info Provider Link
Varicose Veins free resource MedlinePlus Health Information https://medlineplus.gov/varicoseveins.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37872717.ui
subscription/membership/fee required Wiley https://doi.org/10.1111/ajo.13703