2Somerset DA,Zheng Y, Kilby MD, et al. Normal human pregnan- cy is associated with an elevation in the immune suppressive CD25 + CD4 + regulatory T - cell subset [ J ] . Immunology, 2004,112( 1 ) :3843.
9Miyashita Y, Waguri M,Nakanishi l,et al. Successful pregnancy with low molecular weight heparin in two women with recun'ent miscarriage of unknown etiology [ J ]. Am J Reprod Immunol, 2003,49(2) :90-92.
