Bidirectional Endoscopy in Premenopausal Women With Asymptomatic‐Iron Deficiency Anemia (A‐IDA): 614. (October 2019) - Schopis, Michael; Gil, Arcelia Guerson; Ziv, Yonatan; Seu, Rie; Yeat, Nai Chien; Muench, Samuel; Nair, Singh; Aroniadis, Olga; Brandt, Lawrence