http://www.mhlw.go.jp/topics/2007/03/dl/tp0313-1b-03.pdf#search=%27%E6%94%AF%E6%8F%B4%E8%A8%88%E7%94%BB%E8%A1%A8+%E9%A0%BB%E5%BA%A6+%E7%9B%AE%E6%A8%99%E6%9C%9F%E9%96%93%27


by Roku