Ingestion: Lethal dose may be as little as one gram. Symptoms of ingestion parallel those of inhalation exposure.

摄食：致命剂量可能小至一克。摄食后的症状与吸入后的症状类似。

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Ingestion: Lethal dose may be as little as one gram. Symptoms of ingestion parallel those of inhalation exposure.

摄食：致命剂量可能小至一克。摄食后的症状与吸入后的症状类似。

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