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=30511921.ui
free resource De Gruyter https://www.degruyter.com/document/doi/10.1515/cclm-2018-0609