Determinants of motivation to quit in smokers screened for the early detection of lung cancer: a qualitative study. - Young, Ben; Vedhara, Kavita; Kendrick, Denise; Littleford, Roberta; Robertson, John F. R.; Sullivan, Frank M.; Schembri, Stuart; das Nair, Roshan; ECLS study team (BMC Public Health, 2018)