One veteran, who was accidentally sprayed in the face with the chemical DMMP in 1984, found himself wheezing and coughing the next day, symptoms that ended up lasting several weeks.

1984年，一名退伍军人不小心把名为DMMP的化学物质喷到脸上，第二天就发现自己开始气喘和咳嗽，症状持续了数周。