chapter 139 Treating the disease or dying

"Stop!" Jenny also shouted.

Frank was a little stunned, looking at the scene in shock.

This instrument has been used for a long time and has undergone many clinical trials, but this situation has never occurred. What happened today?

At this critical moment, Nathan Quin took a step forward and felt as if his knee was pricked by a needle. He almost stumbled and fell to the ground. However, Nathan Quin was quick-witted and turned the switch, and the instrument was paused.

Shen...