@article{article5b63c711, title = {Prevention of preeclampsia with low-dose aspirin: a systemic review and meta-analysis of the main randomized controlled trials}, author = {Ruano, Rodrigo and Fontes, Rosana S. and Zugaib, Marcelo}, year = {2005}, doi = {10.1590/s1807-59322005000500010}, journal = {Clinics} }