5Sakellairs G, Partalis N, Dede O, et al. Gastrointestinal per- forations in neonatal period: experience over 10 years. Pediatr Emerg Care , 2012, 28: 886-888.
6Epelman M, Daneman A, Navarro OM, et al . Necrolizing enterocolitis ; review of slate-of-the = art imaging findings with pathologic correlation. Radiographics, 2007, 27 : 285 - 305.
7Jamie D C. Ulipristal acetate [ J ]. Drugs, 2012, 72 (8) : 114.
8Balazs Nagy. The cost-effectiveness of uipristal acetate tablets in treating patients with moderate to severe symptoms of uter- ine fibroids. [ J ]. European Journal of Obstetrics and Gy ol- ogy, 2014, 12(3): 229.
9Raju GS,Gerson L,Das A,et al.American Gastroenterological As-sociation (AGA) Institute technical review on obscure gastrointestinalbleeding[j].Gastroenterology,2007,133(5) : 1697-1717.
10Moawad FJ, Veerappan GR,Wong RK H.Small bowel is the prima-ry source of obscure gastrointestinal bleeding[J].Gastroenterology, 2008,135(3):1016.
