Smyth, Bobby P and Daly, Antoinette and Elmusharaf, Khalifa and McDonald, Conor and Clarke, Mary and Craig, Sarah and Cullen, Walter (2020) Legislation targeting head shops selling new psychoactive substances and changes in drug‐related psychiatric admissions: a national database study. Early Intervention in Psychiatry , 14 , (1) , pp. 53-60.