@techreport{discovery1565952,
       publisher = {EPPI Centre, Social Science Research Unit},
           month = {December},
         address = {London UK},
            year = {2011},
           title = {Young people's access to tobacco : a mixed-method systematic review},
          author = {Sutcliffe, K and Twamley, K and Hinds, K and O'Mara, A and Thomas, J and Brunton, G},
             url = {https://discovery.ucl.ac.uk/id/eprint/1565952/}
}