Tran, Lucy T and McKetin, Rebecca and Clark, Brodie and Macdonald, Christel and Zahra, Emma and Arunogiri, Shalini and Montebello, Mark E and Degenhardt, Louisa (2025) The association between mental disorders and treatment retention among people with opioid use disorder receiving opioid agonist treatment: A systematic review and meta-analysis. Drug and Alcohol Dependence , 274 .