有些可能只有指甲病变和关节炎，并无其它皮肤症状。
Some might just have nail abnormalities and arthritis and no other skin symptoms.
不慎吸入后或触及皮肤会引起刺激症状。
Accidentally inhalation or skin contact may cause irritation symptoms.
其他的症状就是皮肤颜色的改变以及一颗痣拥有不平整的边缘。
Other warning signs are a change in skin color and uneven borders around a mole.
虽然症状相似，皮肤过敏试验结果为阴性。
Although the symptoms are similar, allergy skin test results are negative.
其它症状以皮肤瘙痒、发热等多见。
The other features such as skin pruritus and fever also can be seen.
其它症状以皮肤瘙痒、发热等多见。
The other features such as skin pruritus and fever also can be seen.
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