Chemical Warfare: an Introduction to Mustard Gas | Chemically Speaking: the Structure of Mustard Gas | By Any other Name: Origins of Mustard Gas | In Flander’s Field: Mustard Gas Affects History | Agent of War to Anti-Cancer Drug: History Affects Mustard Gas | Taking the Next Step: More Sources on Mustard Gas
Bari, Italy in 1943 was bombed, hitting a US stockpile of chemical weapons, workers later noticed the decrease in white blood cell count.
This later developed into the study of mustine or nitrogen mustard; which, like cisplatin disrupts the relication of DNA.