TY - GEN AU - Macri,J N AU - Anderson,R W AU - Krantz,D A AU - Larsen,J W AU - Buchanan,P D TI - Prenatal maternal dried blood screening with alpha-fetoprotein and free beta-human chorionic gonadotropin for open neural tube defect and Down syndrome SN - 0002-9378 PY - 1996///0617 KW - Adult KW - Chorionic Gonadotropin, beta Subunit, Human KW - blood KW - Down Syndrome KW - Female KW - Humans KW - Immunoassay KW - Neural Tube Defects KW - Paper KW - Pregnancy KW - Prenatal Diagnosis KW - methods KW - Prospective Studies KW - Reference Values KW - Specimen Handling KW - alpha-Fetoproteins KW - analysis N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0002-9378(96)70429-5 ER -