2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41019A brief review of the pion-nucleon sigma-term is given. Aspects of both chiral perturbation theory and phenomenology are discussed.6 pages, 9th International Symposium on Meson-Nucleon Physics and the Structure of the Nucleon, 26-31 July, 2001, Washington D.CHigh Energy Physics - Phenomenologytext