TY - GEN AU - Casals,E AU - Fortuny,A AU - Grudzinskas,J G AU - Suzuki,Y AU - Teisner,B AU - Comas,C AU - Sanllehy,C AU - Ojuel,J AU - Borrell,A AU - Soler,A AU - Ballesta,A M TI - First-trimester biochemical screening for Down syndrome with the use of PAPP-A, AFP, and beta-hCG SN - 0197-3851 PY - 1996///1101 KW - Adult KW - Biomarkers KW - Chorionic Gonadotropin, beta Subunit, Human KW - blood KW - Down Syndrome KW - diagnosis KW - Female KW - Fetal Diseases KW - Fluorescent Antibody Technique KW - Humans KW - Pregnancy KW - Pregnancy Trimester, First KW - Pregnancy-Associated Plasma Protein-A KW - analysis KW - Prenatal Diagnosis KW - standards KW - ROC Curve KW - Radioimmunoassay KW - Reagent Kits, Diagnostic KW - alpha-Fetoproteins N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1002/(SICI)1097-0223(199605)16:5<405::AID-PD868>3.0.CO;2-Y ER -