Name Info Provider Link
Choosing a Doctor or Health Care Service free resource MedlinePlus Health Information https://medlineplus.gov/choosingadoctororhealthcareservice.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19239584.ui
subscription/membership/fee required Wiley https://doi.org/10.1111/j.1365-2753.2008.00956.x