In stark contrast, this mouse here is a sibling of the same age, but it was treated with young human plasma for three weeks, with small injections every three days.
形成鲜明对比的是这一只老鼠， 它和前一只是同一胎所生， 但是注射了年轻人类血浆， 每三天进行少量注射，共三个星期。