Segmental dilatation of the ileum presenting as a cystic lesion on prenatal ultrasonography in one twin.Published in:2010By:Ji Sook Park;Hyun-Jeong Doh;Eun Sil Park;Ji Hyun Seo;Jae Yong Lim;Chan-Hoo Park;Hyang Ok Woo;Hee-Shang YounPublication type:Letter