Hoseininejad, Seyed Mohammad, 等. 《One-Month Follow-Up of Patients With Unspecified Abdominal Pain Referring to the Emergency Department; A Cohort Study》. 学术急诊医学档案, 卷 7, 期 1, 2019年8月, 页 e44, doi:10.22037/aaem.v7i1.350.