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=16918744.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/16918744/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/16918744
free resource Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0884-8734&date=2006&volume=21&issue=9&spage=973