Transcriptionally Active Syncytial Aggregates in the Maternal Circulation May Contribute to Circulating Soluble Fms-Like Tyrosine Kinase 1 in Preeclampsia by Rajakumar, A, Cerdeira, AS, Rana, S, Zsengeller, Z, Edmunds, L, Jeyabalan, A, Hubel, CA, Stillman, IE, Parikh, SM, Karumanchi, SA