Ndlovu, N A, Morgan, N, Malapile, S, Subramaney, U, Daniels, W, Naidoo, J, van den Heuvel, M P & Calvey, T 2021, ' Fronto-temporal cortical atrophy in ‘nyaope’ combination heroin and cannabis use disorder ', Drug and Alcohol Dependence, vol. 221, 108630, pp. 1-6 . https://doi.org/10.1016/j.drugalcdep.2021.108630 Drug and Alcohol Dependence, 221:108630, 1-6. Elsevier Ireland Ltd