YOU SAID:

The white matter volume in old mice was larger than young.

INTO JAPANESE

古いマウスの白質の体積は若いマウスよりも大きかった。

BACK INTO ENGLISH

The white matter volume of the old mice was larger than that of the young mice.

INTO JAPANESE

古いマウスの白質体積は、若いマウスよりも大きかった。

BACK INTO ENGLISH

The white matter volume of the old mice was larger than that of the young mice.