Basim A., Askkar, Nawres Hatif Jassam, and Hasan Osamah Al-Obaidi. 2021. “Calculation of the Lémann Index at Initial Presentation of Crohn’s Disease in a Sample of Iraqi Patients Attending Gastroenterology and Hepatology Teaching Hospital ”. Journal of Population Therapeutics and Clinical Pharmacology 28 (01): 46-55. https://doi.org/10.47750/jptcp.2021.834 .