Haber's choice, Hobson's choice, and biological warfare.
D001694:Biological Warfare / Q000266:history; D035843:Biomedical Research; D004989:Ethics; D005197:Famous Persons; D005858:Germany; D049673:History, 20th Century; D006801:Humans; D038622:Internationality; D009613:Nobel Prize; D012106:Research; D012926:Social Control, Formal; D014118:Toxins, Biological / Q000266:history; D014481:United States
D014118:Toxins, Biological