2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/81699The impact of pionic correlations and meson-exchange currents on the quasi-elastic electromagnetic response functions is studied in a fully relativistic framework.6 pages, 5 figures, to appear in the Proceedings of "The Nuclear Many Body Problem 2001", NATO Science Series II - Mathematics, Physics and Chemistry, Kluwer Academic PublishersNuclear TheoryHigh Energy Physics - Phenomenologytext