[41] 瑞典于1986年禁止农用抗生素：Blaser, Missing Microbes, p. 84.
[42]　1977年，美国食品和药物管理局：Baylor University Medical Center Proceedings, July 2012, p. 306.
[43]　感染性疾病的死亡率一直在上升：Bakalar, Where the Germs Are, pp. 5-6.
[44]　它们不仅稳扎稳打地变得更具耐药性：‘Don't Pick Your Nose', London Review of Books, July 2004.
[45]　新的耐药形式：‘World Super Germ Born in Guildford', Daily Telegraph, 26 Aug. 2001;‘Squashing Superbugs', Scientific American, July 2009.