TI - Efficacy of Progesterone Therapy in the Prevention of Preterm Labor in Women with Mixed Risk-factors: A Systematic Review and Meta-analysis of Randomized Clinical Trials AU - Chaman-ara, K. AU - Bahrami, M.A. AU - Bahrami, E. AU - Bahrami, S. AU - Bahrami, M.N. AU - Moosazadeh, M. AU - Barati, O. SO - Journal of Clinical Practice and Research 2016;38:48-52. DO - 10.5152/etd.2016.0034