http://www.gunmania.jp?p=136
http://www.liveleak.com/view?i=4fe_1317534483
http://www.mussenhealth.us/gunshot-wounds/shotgun-injuries.html
http://www.med.nagoya-cu.ac.jp/legal.dir/lectures/newest/node6.html
https://ja.wikipedia.org/wiki/銃創