Some strains produce toxins that won't cause any, or maybe just mild clinical symptoms.

有些菌株产生的毒素不会引起任何症状，或者只是轻微的临床症状。

Four clinical symptoms of uncontrolled diabetes, that all sound similar, are polyphagia, glycosuria, polyuria, and polydipsia.

未加以控制的糖尿病临床症状有4种，听起来很类似，即多食、糖尿、多尿与多饮。

Most commonly, GERD is diagnosed based on the clinical symptoms, and a therapeutic challenge is done.

大多数情况下，GERD是根据临床症状诊断的，一般会进行治疗试验。

Diagnosis can be done based on clinical symptoms, but the gold standard is 24 hour PH-monitoring.

可以根据临床症状诊断，但金标准是24小时pH监测。

But some strains produce cholera enterotoxin, also called choleragen, which is most often the cause of significant clinical symptoms.

但是有些菌株会产生霍乱肠毒素，也称为霍乱原，通常是引起明显临床症状的原因。

Alright, so chronic bronchitis is a type of COPD that's diagnosed based on clinical symptoms, specifically coughing up a lot of mucus.

慢性支气管炎是慢阻肺的一种，它的诊断基于临床表现，特别是咳大量黏痰。

Alzheimer's disease starts with negative changes in the brain years, if not decades, prior to clinical symptoms.

阿尔茨海默病始于大脑在出现临床症状之前数年甚至数十年的负面变化。

A similar experiment by most of the same researchers found that their students reported fewer clinical symptoms, like anxiety or mood disturbances, six months after finishing a program like this.

大多数相同研究者的一个类似实验发现，他们的学生在完成这样一个项目六个月后，报告的临床症状，如焦虑或情绪障碍较少。

Ultimately this imbalance between inhibitory and excitatory activities leads to the manifestation of typical clinical symptoms that include resting tremor, rigidity, postural instability, and slowed movement.

最终，抑制性和兴奋性之间的不平衡导致了这种表现典型的临床症状包括静止性震颤、僵硬、姿势不稳，减缓了行动。

However, there has been a lack of tracers for LB in clinic, which leads to the fact that the diagnosis of PD mainly depends on clinical symptoms without objective biomarkers, Zhang added.

然而，临床上缺乏路易小体的示踪剂，这导致帕金森综合征的诊断主要依赖于临床症状，没有客观的生物标志物，张补充说。