[1]
Cortés-Yepes, H. 2009. Doppler ultrasound screening during the first trimester of pregnancy for preeclampsia: a cohort study. Bogotá, Colombia 2007 -2008. Revista Colombiana de Obstetricia y Ginecología. 60, 4 (Dec. 2009), 328–333. DOI:https://doi.org/10.18597/rcog.315.