Schielen,P C J I

Institution: National Institute for Public Health and the Environment (RIVM), Netherlands

Research Interests: Screening, Syndrome, Down Syndrome, Papp-a, Pregnancy, Pregnancies, Serum, First Trimester, Human, Plasma, Biomarkers, Nuchal Translucency, Population, Protein A, Placenta, Risk, Inhibin, Immunoassay, Research, Chorion