Effectiveness of tobacco cessation interventions for different groups of tobacco users in Sweden: a study protocol for a national prospective cohort study.
Mette RasmussenMatz LarssonHans GilljamJohanna AdamiSanne WärjerstamAnn PostThomas Björk-ErikssonAsgeir R HelgasonHanne TønnesenPublished in: BMJ open (2022)
NCT04819152.