Name Info Provider Link
Pain Relievers free resource MedlinePlus Health Information https://medlineplus.gov/painrelievers.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=10776340.ui
subscription/membership/fee required Wolters Kluwer https://journals.lww.com/10776340.pmid