• 2022-10-29
    应用低分子肝素应使抗因子VIII活性维持在:
    A: 0.2-0.4个单位/ml;
    B: 0.5-1.0个单位/ml;
    C: 0.5-4个单位/ml;
    D: 4.0-5.0个单位/ml;
    E: 5.0-6.0个单位/ml