The Incidence and Clinical Characteristics of COVID-19 in Children With IBD During the Omicron Wave: A Single-Center Experience in China. - Li R; Chen PY; Li HW; Ren L; Cheng Y; Liu LY; Wei LJ; Zeng ZH; Xu WF; Gong ST; Geng LL (Gastroenterology research and practice, 2025)