Guh Changfeng couldn't possibly be foolish enough to implant parasites and then let them grow unchecked. Judging from the actions of the cultivators, he must have a method of control. The cultivators use the sound of a whistle to control behavior, but with so many Xuanjin people, what would he do?
An Yiqing and Ye Chenghong both fell into deep thought. For them, this was something unprecedented in the field of medicine. Controlling all the Xuanjin people at once seemed an impossible task.
"Girl, let's verify our assumptions. You go find some patients who have taken Rehabilitative for a physical check-up, and also check the other members of the Yu Family. Leave the blood research here to me. I refuse to believe that the five of us old folks can't figure it out. And if worse comes to worst, we still have the old ancestor in retreat at the backyard!"
An Yiqing thought it over and agreed with the logic. Just pondering won't do any good now.
