1. From http://www.cdc.gov/drugresistance/community/.
2. From Infectious Diseases Society of America Report, Bad Bugs, No Drugs, As Antibiotic Discovery Stagnates, a Public Health Crisis Brews, Alexandria, VA, 2004, pp. 1–35. http://www.idsociety.org.
3. From http://www.niaid.nih.gov/factsheets/antimicro.htm.
4. The action of some water-soluble poly-α-amino acids on bacteria
5. Action of some Water-soluble Poly-α-Amino-Acids on Bacteria