TY - GEN AU - Saadah,Omar Ibrahim AU - Fallatah,Kholoud Bakur AU - Baumann,Cedric AU - Elbaradie,Abdulrahman Ahmed AU - Howladar,Fatimah Talat AU - Daiwali,Motaz Tariq AU - Alshuaibi,Omar Hamad AU - Alsahafi,Majid Abdulaziz AU - Bokhary,Rana Yaqoob AU - Qari,Yousef Abdulfattah AU - Peyrin-Biroulet,Laurent AU - Mosli,Mahmoud Hisham TI - Histologically confirmed upper gastrointestinal Crohn's disease: is it rare or are we just not searching hard enough? SN - 1598-9100 PY - 2020/// PB - Intestinal research N1 - Publication Type: Journal Article UR - https://doi.org/10.5217/ir.2019.00091 ER -