Women tend to mistake signs of heart attacks for symptoms of stress.

女性往往会把心脏病发作的迹象误认为是压力的症状。

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Symptoms such as stomach pains and irritable bowels can be signs of bowel cancer.

胃痛和肠易激等症状都可能是肠癌的征兆。

《柯林斯英汉双解大词典》

Objectives: to develop a predictive model for pulmonary embolism based on clinical symptoms, signs, and the interpretation of the electrocardiogram.

目的：在临床症状、影像和心电图表现的基础上开发一个肺栓塞的预测模型。

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The signs or symptoms of MS are not always the same.

VOA: special.2009.01.06

Although thermal scanners used in airports may detect travelers with symptoms, they are not effective since people exposed to an infectious disease could travel without any signs or symptoms and yet still be infectious.

CNN: Commentary: Flu and your health on a plane

The tests your doctor uses will depend on what kind of signs and symptoms you have.

CNN: Conversion disorder

Some carriers can pass Salmonella infection without having signs or symptoms of the disease.

CNN: Salmonella infection