题目内容：
慢性锰中毒时可出现（ ）。
参考答案：
答案解析：
单选题：慢性锰中毒时可出现（ ）。
- 题目分类：公卫助理医师
- 题目类型：单选题
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根据以下答案，回答题 A．下肢静脉曲张 B．腱鞘炎 C．职业性痉挛 D．滑囊炎 E．歌唱家小结 钢琴家易患（ ）。
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