Name Info Provider Link
Quitting Smoking free resource MedlinePlus Health Information https://medlineplus.gov/quittingsmoking.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=7583908.ui
free resource Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0007-9235&date=1995&volume=45&issue=6&spage=369