TY - GEN AU - Heling,Kai-Sven AU - Chaoui,Rabih AU - Flöter,Martina TI - False-Negative NIPT Result for Trisomy 21 SN - 1438-8782 PY - 2019///0610 KW - Down Syndrome KW - diagnosis KW - False Negative Reactions KW - Female KW - Humans KW - Maternal Serum Screening Tests KW - Pregnancy KW - Trisomy N1 - Publication Type: Letter UR - https://doi.org/10.1055/s-0043-120758 ER -