In the framework of the cloudy bag model, it is shown that the bound nucleon electromagnetic form factors are reasonably modified by effective masses of pions and nucleons.
Lee, K. C., Lee, S. Y., Chern, D. C., & Fu, C. C. (1976). The Energy Dependence of the Nuclear Effective Interaction. Chinese Journal of Physics, 14(3), 6-14. https://www.airitilibrary.com/Article/Detail?DocID=05779073-197610-201305020006-201305020006-6-14