Intravenous Iron Sucrose versus Oral Iron Supplementation for the Treatment of Iron Deficiency Anemia in Patients with Inflammatory Bowel Disease-A Randomized, Controlled, Open-Label, Multicenter StudyOliver Schröder, Jürgen M. Stein, Ursula Seidler et al.|The American Journal of Gastroenterology|2005Cited by 234