?url_ver=Z39.88-2004&rft_id=10.1080%2F14622200802409982&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Lombardi%2C+E&rft.aulast=Lombardi&rft.aufirst=E&rft.issue=11&rft.volume=10&rft.date=19+November+2008&rft.issn=1462-2203&rft.atitle=Impact+of+early+sexual+debut+on+gay+men's+tobacco+use&rft.title=Nicotine+and+Tobacco+Research&rft.pages=1591+-+1595&rft.genre=article