C451 Hypersensitivity

Gu Donglee walked a few meters away with quick steps before she suddenly stopped and started thinking with rapt attention.

"Nausea, diarrhea, spots on the body, abdominal pain …" The symptoms of chronic poisoning are in the gastrointestinal tract. She's not a doctor, so it would be difficult to guess what poison it is if she didn't know anything about medicine. "

Scratching her head