Osmotic pressure inhibition of DNA ejection from phage, A. Evilevitch, L. Lavelle, C. M. Knobler, E. Raspaud and W. M. Gelbart , PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, AUG 5, Volume 100, Number 16, p.9292-9295, (2003) Abstract