Koster, MPHrivmPennings, JLArivmImholz, SrivmRodenburg, WrivmVisser, GHAde Vries, ArivmSchielen, PCJIrivm2025-03-192025-03-1920091948897310.1002/pd.2294https://rivm.openrepository.com/handle/10029/643419Bead-based multiplexed immunoassays to identify new biomarkers in maternal serum to improve first trimester Down syndrome screeningArticlePrenat Diagn 2009; 29(9):857-622025-03-19