1. Needle-free vaccine delivery;Giudice;Adv Drug Deliv Rev,2006
2. Lloyd J. Technologies for vaccine delivery in the 21st century. World Health Organization, Department of Vaccines and Biologicals; 2000.
3. Can needle-free administration of vaccines become the norm in global immunization?;Levine;Nat Med,2003
4. Weniger BG. Jet injection of vaccines: overview and challenges for mass vaccination with jet injectors (JIs). In: Conference on innovative administration systems for vaccines, Rockville, MD, USA, 18–19 December. Available from: http://www.hhs.gov/nvpo/meetings/dec2003/Contents/ThursdayPM/Weniger.pdf; 2003 [cited 20 May 2011].
5. Clinical studies with jet injection; a new method of drug administration;Hingson;Curr Res Anesth Anal,1947