Objective To approach the problem of activated partial thromboplastin time standardization.
目的探讨活化部分凝血活酶时间的标准化问题。
2
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。
3
Objective To determine the abnormal result for activated partial thromboplastin time(APTT)by instrument detection with two commercial reagents.