%0 Journal Article %T Adjunctive Therapies to Cerclage for the Prevention of Preterm Birth: A Systematic Review %A Emily A. DeFranco %A Amy Miyoshi Valent %A Tondra Newman %A Jodi Regan %J Obstetrics and Gynecology International %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/528158 %U http://dx.doi.org/10.1155/2013/528158