그 치료법은 동물 실험을 통해 안전하고 절대 잘못되지 않는다는 것이 증명된 후에야 비로소 인간에게 사용될 것이다.

Please demonstrate how to say :

그 치료법은 동물 실험을 통해 안전하고 절대 잘못되지 않는다는 것이 증명된 후에야 비로소 인간에게 사용될 것이다.

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Click the red button and your browser will ask for permission to use your microphone. Allow it and start recording.

Say it as loud and as clear as you can! Please only say the given word/phrase once, and do not say anything else or explain anything.

You may then listen to your recording again. Submit it if you are happy with it.