mustard gas

For six years afterward, despite assurances from Damascus and Moscow that all of Syria’s chemical weapons had been removed, Syrian civilians intermittently choked on chlorine gas, sulfur mustard gas and possibly sarin.

Both films capture the sheer horror of trench warfare, and up-close deployment of new weapons, such as mustard gas.

The Germans, it turned out, had poisoned the river shore with an yperite mixture—more commonly known as mustard gas.

Some involved chemical weapons, like mustard gas, or deadly diseases, like typhus.

From 1941 to 1944, professors on the medical faculty there forced at least 250 people from concentration or death camps to undergo experiments, some involving chemical weapons like mustard gas or deadly diseases like typhus.