C823 Angiotensin Converting Enzyme

"One problem, one problem. Tell me, what are the initial symptoms?"

Chen Qun adjusted his train of thought and began to inquire about the patient's condition. Although the broken system couldn't help him on the surface, but it was still very useful in improving him. He needed to build his own virtual space.

"At the beginning, the saturation point of the oxygen was about 86%. Then