Yorkshire Enhanced Stop Smoking (YESS) study: a protocol for a randomised controlled trial to evaluate the effect of adding a personalised smoking cessation intervention to a lung... oleh Richard D Neal, Sarah Lewis, Rachael L Murray, Kate Brain, Matthew EJ Callister, Philip A J Crosbie, Harriet D Quinn-Scoggins, Grace M McCutchan, Alex Ashurst, Steve Parrott, Suzanne Rogerson, Rebecca Thorley