Bidirectional Endoscopy in Asymptomatic‐Iron Deficiency Anemia (A‐IDA): 597. (October 2019) - Schopis, Michael; Gil, Arcelia Guerson; Ziv, Yonatan; Seu, Rie; Yeat, Nai Chien; Muench, Samuel; Kim, Mimi; Aroniadis, Olga; Brandt, Lawrence