%0 Journal Article %T Associated Factors of Maintenance in Patients under Treatment with Methadone: A Comprehensive Systematic Review and Meta-Analysis %A Farzaneh Farmani %A Hadi Farhadi %A Younes Mohammadi %J Archive of "Addiction & Health". %D 2018 %R 10.22122/ahj.v10i1.488 %X This comprehensive systematic review and meta-analysis were performed to assess the associated factors of maintenance in patients with methadone therapy in the world %K Methadone %K Maintenance %K Associated factors %K Meta-analysis %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6312561/