"Currently, there are three main methods of using DNA for paternity testing in clinical practice. The first is non-invasive paternity testing, the second is chorionic villus paternity testing, and the third is amniotic fluid paternity testing." When he said this, he turned his head and looked at Jiang Yifei.

The old man looked at him solemnly and seriously , " Go on!"

Si Wenjian snorted in his heart. He just didn't believe that he couldn't cure this little girl?

Tang ...