http://www.nikkei-science.com/?p=46843

http://science.srad.jp/story/15/05/15/0558250/

http://www3.nhk.or.jp/news/html/20150516/k10010081531000.html

http://headlines.yahoo.co.jp/hl?a=20150519-00000072-jij-pol

http://headlines.yahoo.co.jp/hl?a=20150519-00050074-yom-soci

http://www.mhlw.go.jp/stf/houdou/0000084876.html

http://dd.hokkaido-np.co.jp/news/society/society/1-0134898.html

http://headlines.yahoo.co.jp/hl?a=20150517-00000045-jij-pol

http://news.goo.ne.jp/article/tokyo/region/tokyo-CK2015051802000147.html

http://www.moj.go.jp/jinji/shihoushiken/jinji08_00113.html http://www.moj.go.jp/jinji/shihoushiken/jinji07_00145.html

http://www.47news.jp/CN/201505/CN2015051701001276.html

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http://headlines.yahoo.co.jp/hl?a=20150517-00000508-san-soci

http://headlines.yahoo.co.jp/hl?a=20150517-00000059-san-soci

http://www.yomiuri.co.jp/adv/job/release/detail/00018018.html

http://dot.asahi.com/wa/2015051300111.html

http://blog.livedoor.jp/schulze/archives/52118874.html

http://blogos.com/article/112217/

http://news.goo.ne.jp/article/sanyo/region/sanyo-31875290.html

http://dd.hokkaido-np.co.jp/news/area/doto/1-0134115.html

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http://headlines.yahoo.co.jp/hl?a=20150515-00003105-bengocom-soci

http://www.sankei.com/region/news/150515/rgn1505150004-n1.html

http://www.nishinippon.co.jp/nnp/national/article/168869

http://headlines.yahoo.co.jp/hl?a=20150515-00000038-jij-soci

http://movie.maeda-y.com/movie/01985.htm

http://headlines.yahoo.co.jp/hl?a=20150513-00000196-jij-soci

http://14290567.at.webry.info/201505/article_6.html

http://www.jpx.co.jp/news/1020/20150513.html

http://contendo.jp/store/contendo/Product/Detail/Code/J0010330BK0026813001/