Moghimi-Dehkordi, Bijan, Azadeh Safaee, Mohsen Vahedi, Mohammad Amin Pourhoseingholi, Asma Pourhoseingholi, and Sarah Ashtari. 2012. “History of Upper Gastrointestinal Cancers in Relatives: A Community-Based Estimate”. Gastroenterology and Hepatology from Bed to Bench 5 (2). https://doi.org/10.22037/ghfbb.v5i2.250.