TY - JOUR 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. JO - Journal of Clinical Practice and Research PY - 2016 VL - 38 SP - 48 EP - 52 DO - 10.5152/etd.2016.0034 ER -