Placental mRNA expression of angiopoietin (Ang)-1 and Ang-2, and their receptor Tie-2 is altered in pregnancies complicated by intrauterine growth restriction - Kappou, Dimitra; Papantoniou, Nikolaos; Androutsopoulos, Vasileios; Konstantinidou, Anastasia; Matalliotaki, Christina; Spandidos, Demetrios A; Sifakis, Stavros (INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE, 2014)