AUTHOR=Zhu Meifang , Zhao Yan , Zhang Xiaohua , Zhou Peng , Jin Jing , Fan Zhidan , Yu Haiguo TITLE=Tofacitinib treatment of systemic juvenile idiopathic arthritis: a case report and literature review JOURNAL=Frontiers in Pediatrics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1482762 DOI=10.3389/fped.2025.1482762 ISSN=2296-2360