Assessing the vaccination and immunization status in a Paediatric Inflammatory Bowel Disease diagnosis - Palomino Perez, L M; Velasco Rodriguez-Belvis, M; Leon Falconi, J L; Sanchez Fernandez-Bravo, C; Vazquez Gomez, J A; Munoz Codoceo, R A (Journal of Crohns & Colitis, 2021)