@article{martinelli_garcia_santos neto_gama_2018,  title={Advanced maternal age and its association with placenta praevia and placental abruption: a meta-analysis},  volume={34},  ISSN={0102-311X},  url={https://doi.org/10.1590/0102-311X00206116},  DOI={10.1590/0102-311X00206116},  number={2},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Martinelli, Katrini Guidolini and Garcia, Érica Marvila and Santos Neto, Edson Theodoro dos and Gama, Silvana Granado Nogueira da},  year={2018},  pages={e00206116} }