title: Non-radioactive assay of AFP, hCG, and uE3 from dried blood specimens: a low-cost alternative for maternal screening for trisomy 21.
authors.forename: A
authors.initials: A
authors.lastname: Verloes
authors.forename: R
authors.initials: R
authors.lastname: Schoos
authors.forename: L
authors.initials: L
authors.lastname: Koulischer
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood*; D004314:Down Syndrome / Q000175:diagnosis*; D004797:Enzyme-Linked Immunosorbent Assay / Q000191:economics; D004964:Estriol / Q000097:blood*; D005260:Female; D006801:Humans; D011247:Pregnancy / Q000097:blood*; D011262:Pregnancy Trimester, Second; D012680:Sensitivity and Specificity; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D006063:Chorionic Gonadotropin; D000509:alpha-Fetoproteins; D004964:Estriol