C110 Disease detection

When Ye Ziyang saw Fan Ying again, he was actually incomparably calm.

"What are you doing here?" Ye Ziyang smiled. He still carried the same expression and tone of voice.

"I'm here to visit a patient."

Fan Ying also laughed as she sat down, "Looks like the reagent I gave you was very successful."

Ye Ziyang was not angry, his eyes stared straight at her, "But thanks to you