Yogev D, Weintraub Y, Ledder O, Matar M, et al. Safety and Effectiveness of QingDai (Indigo naturalis) in Children With Mild-to-Moderate Ulcerative Colitis: A Short-Term 6-Week Open-Label Trial. Inflamm Bowel Dis 2025 Jun 13:izaf119. doi: 10.1093.
PMID: 40512056