The previous page is sending you to https://www.jaog.or.jp/note/2-%E5%8C%BB%E5%B8%AB%E6%B3%95%E4%B8%8A%E3%81%AE%E5%8C%BB%E5%B8%AB%E3%81%AE%E7%BE%A9%E5%8B%99/.

 If you do not want to visit that page, you can return to the previous page.