Di Fermo Gomez, F. A., M. G. Castillo, L. C. Bosio, J. Santamaria, N. Sforza, N. Meo Guzman, A. G. Errasti, C. Gimenez, M. Hansen, M. C. Faingold, and C. Musso. “Comparison of Metabolic Effects of Bariatric Surgery in a Group of Elderly and Young Adults: A Prospective Cohort”. Spanish Journal of Human Nutrition and Dietetics, vol. 25, no. 1, Mar. 2021, pp. 18-28, doi:10.14306/renhyd.25.1.1036.