1. United Nations, Protocol for the prohibition of the use in war of asphyxiating, poisonous or other gases, and of bacteriological methods of warfare. 1925.
www.un.org/disarmament/wmd/bio/1925-geneva-protocol
. Accessed 22 Jan 2018.
2. Chemical Weapons Convention. Convention on the prohibition of the development, production, stockpiling and use of chemical weapons and on their destruction. 1993.
www.opcw.org/chemical-weapons-convention
. Accessed 22 Jan 2018.
3. Evison D, Hinsley D, Rice P. Chemical weapons. BMJ. 2002;324:332–5.
4. UN General Assembly Security Council. Final report of the United Nations mission to investigate allegations of the use of chemical weapons in the Syrian Arab Republic. 2013, S/2013/735.
www.un.org/en/ga/search/view_doc.asp?symbol=S/2013/735
. Accessed 27 Nov 2017.
5. UN Security Council. Summary report of the work of the OPCW fact-finding mission in Syria covering the period from 3 to 31 may 2014 [enclosure II], 2015, S/2015/138.
www.un.org/ga/search/view_doc.asp?symbol=S/2015/138
. Accessed 27 Nov 2017.