A.前位B.后位C.前位、后位D.左前斜位E.前位,后位,左、右側(cè)位,左、右后斜位
A.99mTc-DTPA+99mTc-RBCB.131I-OIHC.99mTcO4-D.99mTc-DTPA+131I-OIHE.99mTc-RBC