TY - RPRT TI - Prenatal screening for Down syndrome: current and future methods. AU - Jacob A Canick AU - Devereux N Saller AU - Geralyn M Lambert-Messerlian PY - 2003 DO - 10.1016/s0272-2712(03)00025-8 UR - https://pubmed.ncbi.nlm.nih.gov/12848451/ ID - 12848451 ER -