They have reported layering of a brownish gas on top of silage, with both acute and repeated subacute exposures to this mixture of NOxover the years.
他们报告储藏饲料的上方有棕色气体分成。 经年累月，他们既有急性的也有反复亚急性的暴露在NOx混合物中。
When patient resistivity difference, easy to have acute or the subacute outbreak.
当患者抵抗力差时，易有急性或亚急性发作。
Conclusion: 1, The hydrodynamic thrombectomy appears to be safe and effective for rapid thrombectomy of acute or subacute thrombus.
结论：1、流变血栓清除导管能迅速、安全、有效地清除急性或亚急性血栓。
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