PLoS Medicine, Vol 18, Iss 11 (2021) Jani, M, Girard, N, Bates, D, Buckeridge, D, Sheppard, T, Li, J S, Iqbal, U, Vik, S, Weaver, C, Seidel, J, Dixon, W & Tamblyn, R 2021, ' Opioid prescribing among new users for non-cancer pain in USA, Canada, UK and Taiwan : a population-based cohort study ', PL o S Medicine, vol. 18, no. 11, e1003829, pp. 1-15 . https://doi.org/10.1371/journal.pmed.1003829 PLoS Medicine PLoS Medicine, Vol 18, Iss 11, p e1003829 (2021)