When toxic concentrations are reached , there may be a delay of one or two days before maximum toxicity occurs .
When toxic concentrations are reached , there may be a delay of one or two days before a maximum toxicity occurs .
When toxic concentrations are reached , there may be a delay of one or two days before a maximum toxicity occurs .
다른 문구 사용: When toxic concentrations are reached , there may be a delay of one or two days before maximum toxicity occurs . 산출: