Objective To investigate the effects of different storage temperatures on anticoagulated blood hemagglutination tests, including prothrombin time(PT), and activated partial thromboplastin time(APTT).

目的探讨不同的抗凝血体外贮存条件对凝血酶原时间（PT）、活化部分凝血活酶时间（APTT）的影响。

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Objective: To explore clinical significance of detecting prothrombin time (PT), the activated partial thromboplastin time (APTT), thrombin time (TT), plasma fibrinogen (fib) for parturient women.

目的：探讨检测临产孕妇凝血酶原时间(PT)、活化部分凝血活酶时间(APTT)、凝血酶时间(TT)、纤维蛋白原(FIB)的临床意义。

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Objective To determine the abnormal result for activated partial thromboplastin time(APTT)by instrument detection with two commercial reagents.

目的探讨仪器法测定活化的部分凝血活酶时间（APTT）的参考范围和异常结果的判定标准。

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