Pereira, Tiago V., et al. “ Meta-Analysis of Aspirin for the Prevention of Preeclampsia: Do the Main Randomized Controlled Trials Support an Association Between Low-Dose Aspirin and a Reduced Risk of Developing Preeclampsia? ”. Clinics, vol. 61, no. 2, Apr. 2006, pp. 179-82, https://doi.org/10.1590/S1807-59322006000200016.