ページの作成:「<br> More particularly, it was the High and Late Middle Ages. In a 2005 research, Zhu, Lu, and Hesketh found that the greatest sex ratio was for individuals ages 1-4, and…」
(ページの作成:「<br> More particularly, it was the High and Late Middle Ages. In a 2005 research, Zhu, Lu, and Hesketh found that the greatest sex ratio was for individuals ages 1-4, and…」)