TY - JOUR AU - Bianchi, D W; Parsa, S; Bhatt, S TI - Fetal sex chromosome testing by maternal plasma DNA sequencing: clinical laboratory experience and biology JO - Obstetrics and gynecology VL - 125 PY - 2015 DO - 10.1097/AOG.0000000000000637 L3 - PubMed-ID: 25568992 SP - 375 EP - 382 N1 - et al. ER -