@article{frança_2020,  title={Cervical Pessary Plus Progesterone for Twin Pregnancy with Short Cervix Compared to Unselected and Non-Treated Twin Pregnancy: A Historical Equivalence Cohort Study (EPM Twin Pessary Study)},  volume={42},  ISSN={0100-7203},  url={https://doi.org/10.1055/s-0040-1713806},  DOI={10.1055/s-0040-1713806},  number={10},  journal={Revista Brasileira de Ginecologia e Obstetrícia},  publisher={Federação Brasileira das Sociedades de Ginecologia e Obstetrícia},  author={França, Marcelo Santucci},  year={2020},  month={Oct},  pages={621–629} }