Desalermos A, Pimienta M, Kalligeros M, Shehadeh F, Diamantopoulos L, Karamanolis G, Caldera F, Farraye FA. Safety of Immunizations for the Adult Patient With Inflammatory Bowel Disease-A Systematic Review and Meta-analysis. Inflamm Bowel Dis. 2022 09 01; 28(9):1430-1442.