Pierce, Matthias and Millar, Tim and Robertson, J Roy and Bird, Sheila M (2018) Ageing opioid users' increased risk of methadone-specific death in the UK. International Journal of Drug Policy , 55 , pp. 121-127.

Brennan, Rebekah and Wells, John and Van Hout, Marie Claire (2018) "Blood letting"-Self-phlebotomy in injecting anabolic-androgenic steroids within performance and image enhancing drug (PIED) culture. International Journal of Drug Policy , 55 , pp. 47-50.