“CO19 | Calcium addicted room-mates: malabsorption of calcium and levothyroxine in SIBO, a case report: G. Grandi, E. Canavesi, S. Colombo, M. Galeazzi, V. Vacirca, B. Nardo, I. Dalle Mule, A. Mazzone | Ospedale Civile di Legnano, ASST Ovest Milanese, Italy” (2025) Italian Journal of Medicine, 19(1.online). doi:10.4081/.