“…2 GPs cite fear of harming the doctor-patient relationship as a frequent barrier to discussing smoking with patients , Bremberg et al 2003, Pilnick and Coleman 2006. Other physician-identified barriers to greater involvement in this work include: patients' perceived unwillingness to change, time constraints, perceived ineffectiveness of interventions, lack of confidence or expertise, lack of financial incentive and a lack of supportive resources (O'Loughlin et al 2001, Young and Ward 2001, Helgason and Lund 2002, Coleman et al 2004, Vogt et al 2005, Twardella and Brenner 2005, Boldemann et al 2006, Coleman et al 2007, Jallinoja et al 2007.…”