Gilchrist, G., Swan, D., Shaw, A., Keding, A., Towers, S., Craine, N., Munro, A., Hughes, E., Parrott, S., Strang, J., Taylor, A., & Watson, J. (2017). The acceptability and feasibility of a brief psychosocial intervention to reduce blood-borne virus risk behaviours among people who inject drugs: A randomised control feasibility trial of a psychosocial intervention (the PROTECT study) versus treatment as usual. Harm Reduction Journal, 14(1), Article 14 (2017). https://doi.org/10.1186/s12954-017-0142-5