C300 You Want to Do a Paternity Test!

Nancy held onto Katie's frail body and looked at the young nurse unhappily.

"It's not like I'm asking you to do the test. Why are you so sure? You must have made a mistake."

"Miss, the probability of making a mistake is very low. Besides, the patient's blood is very special. Both of your blood types are O. Logically speaking, it's impossible