Liou, J. D.J. D.Liou包家駒Hor, J. J.J. J.HorKao, S. M.S. M.KaoPao, Chia C.Chia C.Pao2009-02-102018-07-062009-02-102018-07-061994http://ntur.lib.ntu.edu.tw//handle/246246/125079en-USFetal Cells in the Maternal Circulation During First Trimester in Pregnancy