Methods The DNA index (DI) and proliferation index (PI) in aspirated myeloid cells were determinated in 35 patients with ALL by flow cytometry (FCM).

方法应用流式细胞术检测了35例急性淋巴细胞性白血病患者骨髓细胞DNA含量(DI)、倍体和细胞增殖活性(PI)。

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Two parts form the UDI: the mandatory device identifier (di) and the conditional production identifier (PI).

UDI由两部分组成：强制性的器械标识符(DI)和受条件限制的生产标识符(PI)。

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