Percentage of restraining platelet aggregation, prothrombin time and partial thromboplastic time were measured to compare the huoxuehuayu effects of different populations of safflower.

测定血小板制率、凝血酶原时间和部分凝血活酶时间，比较不同栽居群红花的活血化瘀作用。

The mechanism of endovenous thrombus formation induced by laser irradiation is different from thromboplastic phlebitis, thus endovenous thrombus formation doesn't affect whole body cruor function.

激光照射导致静脉腔内血，与血性静脉炎的机制不同，并没有影响全身凝血功能。