The adjunctive role of metformin in patients with mild to moderate ulcerative colitis: a randomized controlled study - Binsaleh, Ammena Y.; El-Haggar, Sahar M.; Hegazy, Sahar K.; Maher, Maha M.; Bahgat, Monir M.; Elmasry, Thanaa A.; Alrubia, Sarah; Alsegiani, Amsha S.; Eldesoqui, Mamdouh; Bahaa, Mostafa M. (Frontiers in Pharmacology, 2025)