1.Objective To discuss the effect of polybrene technique in blood cross matching and antibody selection.

1.目的探讨聚胺交叉配血、抗体筛选的作用。

2.Objective To investigate the positive rate for irregulate erythrocyte antibodies by microtubes gel test(MGT) and moditying polybrene test(MPT),explore the value of MGT in clinic.

2.目的观察微法和聚胺法的抗体检出率,探讨微法的临床应用价值。