Name Info Provider Link
subscription/membership/fee required HighWire http://www.annclinlabsci.org/cgi/pmidlookup?view=long&pmid=24247797
Cholesterol Levels: What You Need to Know free resource MedlinePlus Health Information https://medlineplus.gov/cholesterollevelswhatyouneedtoknow.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=24247797.ui