1. Organization for the Prohibition of Chemical Weapons,2018
2. Cauhan, S.; Chauhan, S.; D'Cruz, R.; Faruqi, S.; Singh, K. K.; Varma, S.; Singh, M.; Karthik, V. Chemical warfare agents. environmental toxicology and pharmacology26 (2008) 113–122.
3. Exposure to liquid sulphur mustard;Davis;Ann. Emerg. Med.,2001
4. Ministry of Foreign Affairs of Japan, https://www.mofa.go.jp/mofaj/press/pr/wakaru/topics/vol162/ (accessed 8 January 2019).
5. Organization for the Prohibition of Chemical Weapons, JOINT DECLARATION, https://www.opcw.org/sites/default/files/documents/EC/M-55/en/ecm55nat01r2_e_.pdf (accessed 8 January 2019).