TY - GEN AU - Fisk,N M AU - MacLachlan,N AU - Ellis,C AU - Tannirandorn,Y AU - Tonge,H M AU - Rodeck,C H TI - Absent end-diastolic flow in first trimester umbilical artery SN - 0140-6736 PY - 1989///0105 KW - Blood Flow Velocity KW - Diastole KW - Female KW - Humans KW - Pregnancy KW - Pregnancy Trimester, First KW - Regional Blood Flow KW - Umbilical Arteries KW - physiology N1 - Publication Type: Letter UR - https://doi.org/10.1016/s0140-6736(88)90854-9 ER -