To identify meaningful classes of opioid-using military veterans in terms of self-reported opioid overdose risk behaviors. The study recruited a sample of 218 military veterans in the NYC area who were discharged from active duty service after September 11. 2001 and reported past-month opioid use. Survey data including measures of mental health. https://cwpmitr956b7b.bloginwi.com/68593953/seromolecular-study-on-the-prevalence-and-risk-factors-of-toxoplasma-gondii-infection-in-pregnant-women-referred-to-a-gynecology-hospital-in-urmia-northwest-part-of-iran-in-2022