Name Info Provider Link
Talking With Your Doctor free resource MedlinePlus Health Information https://medlineplus.gov/talkingwithyourdoctor.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=16333687.ui
subscription/membership/fee required Springer https://doi.org/10.1007/s10912-005-7699-9