Name Info Provider Link
Heart Diseases free resource MedlinePlus Health Information https://medlineplus.gov/heartdiseases.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37186562.ui
subscription/membership/fee required Wolters Kluwer https://doi.org/10.2459/JCM.0000000000001470