The effects of density-dependent form factors for (e, e’p) reaction in quasi-elastic region K. S. Kim, Myung-Ki Cheoun, Hungchong Kim and W. Y. So Eur. Phys. J. A, 52 4 (2016) 107 Published online: 25 April 2016 DOI: 10.1140/epja/i2016-16107-1