Name Info Provider Link
Heart Attack free resource MedlinePlus Health Information https://medlineplus.gov/heartattack.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23253704.ui
subscription/membership/fee required Wolters Kluwer https://journals.lww.com/23253704.pmid