Food-specific serum IgG4 and IgE antibody reactions and physical fitness in Spanish adults. The ALASKA study - Lisset Pantoja-Arévalo, Eva Gesteiro, Margarita Pérez-Ruiz, Ana Navarro, Ilaria Chiesa, Patricia Wusterhausen, Torsten Matthias, Rafael Urrialde, Marcela González-Gross (Journal Of Physiology And Biochemistry, 2024)