Evaluating NHS Stop Smoking Service engagement in community pharmacies using simulated smokers: fidelity assessment of a theory-based intervention
Sandra Jumbe, Wai Y James, Vichithranie Madurasinghe, Liz Steed, Ratna Sohanpal, Tammy K Yau, Stephanie Taylor, Sandra Eldridge, Chris Griffiths, Robert Walton
BMJ Open May 2019, 9 (5) e026841; DOI: 10.1136/bmjopen-2018-026841