Name Info Provider Link
free resource HighWire https://tobaccocontrol.bmj.com/lookup/pmidlookup?view=long&pmid=12612374
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=12612374.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/12612374/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/12612374