%0 Journal Article %T Umbilical Serum sHLA-G Levels in Preeclamptic Pregnancies with and without Intrauterine Fetal Growth Restriction: A Comparison with Normotensive Pregnancies with Isolated IUGR and Healthy Controls %A Marzena Laskowska %A Katarzyna Laskowska %A Jan Oleszczuk %J ISRN Immunology %D 2011 %I Hindawi Publishing Corporation %R 10.5402/2011/194314 %U http://dx.doi.org/10.5402/2011/194314