Inflammatory biomarkers response to two dosages of vitamin D supplementation in patients with ulcerative colitis: A randomized, double-blind, placebo-controlled pilot study

Sara Karimi, Sanam Tabataba-vakili, Nasser Ebrahimi‐Daryani, Zahra Yari, Abdolghader Karimi, Mehdi Hedayati, Azita Hekmatdoost