C128 Did you get the certificate or not

The doctor was stunned for a moment, but he quickly shook his head. "I swear by my professional ethics, I won't do that."

Lin Yufan nodded.

The doctor placed the stethoscope on Lin Yufan's neck and turned on the sound. Lin Yufan earnestly listened …

After listening for a while, Lin Yufan's eyes couldn't help but widen until they were shining. He excitedly placed the stethoscope next to my ear