这使得它们感染慢性毒素的可能性大大增加。
This makes them potentially more susceptible to chronic toxic exposure.
这些因素可能混淆肉毒素对慢性紧张型头痛的特别效果。
These factors may have confounded the specific efficacy of botulinum toxin for chronic tension-type headache.
最后，选择的人可能不是作为肉毒素治疗的最佳慢性紧张型头痛的患者。
Finally, the patient population selected may not have been optimal for a trial of botulinum toxin for chronic tension-type headache.
目的探讨由葡萄球菌肠毒素b (SEB)在慢性鼻炎鼻窦炎(CRS)和哮喘之间联系的作用，并确定来源于CRS的SEB在哮喘发病机制中的作用。
Objective to explore the role of SEB in relations between chronic rhinosinusitis (CRS) and asthma, and to determine the contribution of the CRS-derived SEB to the pathogenesis of asthma.
许多资料表明A型肉毒毒素治疗偏头痛、慢性每日头痛及紧张型头痛有效且安全。
There have been an increasing number of reports on botulinum toxin A in idiopathic headache treatment.
目的：采用动态浊度法对慢性肝病患者血、腹水中内毒素水平进行再评估。
Objective: to reevaluate the blood endotoxin concentration in patients with chronic liver diseases by means of dynamic turbidimetric analysis.
由于它在伤害感受器和肌肉收缩的效应，肉毒素在预防慢性每日头痛或紧张型头痛方面有很大的吸引力。
Given its effects on nociception and muscle contraction, botulinum appears to be an attractive agent in the prophylaxis against chronic daily headache or tension-type headache.
方法利用大鼠进行短期毒性实验和亚慢性毒性实验，通过透明软骨的组织病理改变来观察低剂量T-2毒素对软骨的损伤作用。
Methods A short-term and a subchronic test on rats were respectively carried out to study the toxicity of low-dose T-2 toxin by observing the histopathological changes of transparent cartilage.
本文研究了注射含微囊藻毒素的微囊藻细胞抽提液对小鼠血液以及免疫系统的亚慢性毒性作用。
In the present study, toxic effects of Microcystis cell extracts containing microcystin-LR on the treated-mice blood were investigated.
慢性重型肝炎患者肠道菌群的这种变化在其血内毒素水平的升高及肝脏损伤的进一步加重过程中起一定的作用。
Changes in intestinal flora may have a pivotal role in both the elevation of plasma endotoxin and further hepatic lesions resulting in liver failure.
方法：对39例慢性乙肝患者与2 0例正常人血浆内毒素、一氧化氮、T细胞亚群及IL 2的含量进行检测。
Methods:We detected plasma endotoxin, NO, T lymphocyte subgroups and IL-2 in 39 patients with chronic hepatitis B and 20 healthy subjects.
方法：对39例慢性乙肝患者与2 0例正常人血浆内毒素、一氧化氮、T细胞亚群及IL 2的含量进行检测。
Methods:We detected plasma endotoxin, NO, T lymphocyte subgroups and IL-2 in 39 patients with chronic hepatitis B and 20 healthy subjects.
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