Nohlert, Eva; Öhrvik, John; Tegelberg, Åke; Tilgren, Per; Helgason, Asgeir R.
(Biomed Central LTD, 2013-06-19)
Background: Achieving lifelong tobacco abstinence is an important public health goal. Most studies use 1-year
follow-ups, but little is known about how good these are as proxies for long-term and life-long abstinence. Also,
intervention intensity is ...