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Higgins, Kathryn and O Neill, Nina and O'Hara, Leeanne and Jordan, Julie-Ann and McCann, Mark and O'Neill, Tara and Clarke, Mike and O'Neill, Tony and Campbell, Anne (2019) Evidence for public health on novel psychoactive substance use: a mixed-methods study. Public Health Research , 7 , (14) .

Campbell, Anne and O Neill, Nina and Higgins, Kathryn (2017) Health and social care workers' perceptions of NPS use in Northern Ireland. International Journal of Drug Policy , 40 , pp. 93-101.