Seventeen year mortality in a cohort of patients attending opioid agonist treatment in Ireland. Commentary on 'methadone-maintained patients in primary care have higher rates of chronic disease' (O'Toole et al., European Journal of General Practice 2014;20:275–80). (2nd January 2016) - Klimas, Jan; Keane, Anna; Cullen, Walter; O'Kelly, Fergus; Bury, Gerard