The phenomenon is known as microchimerism, and it is still unclear as to whether the presence of such cells can be harmful to the recipient. 这一现象被称为微嵌合状态，但目前尚不清楚这些干细胞的存在是否会对新宿主产生不利影响。
At Pittsburgh, Starzl's colleagues have incorporated his thinking about microchimerism into their procedures. 史达佐在匹兹堡大学的同事已将他微嵌合的观念融入治疗程序中。
The phenomenon is known as microchimerism, and it is still unclear as to whether the presence of such cells can be harmful to the recipient. 这一现象被称为微嵌合状态，但目前尚不清楚这些干细胞的存在是否会对新宿主产生不利影响。
