New psychoactives within polydrug use trajectories-evidence from a mixed-method longitudinal study.
Kathryn HigginsNina O'NeillLeeanne O'HaraJulie-Ann JordanMark McCannTara O'NeillMike ClarkeTony O'NeillGrace KellyAnne CampbellPublished in: Addiction (Abingdon, England) (2021)
In Northern Ireland, new psychoactive substances appear to be a feature of broader polydrug use rather than a standalone class of drug use.