Kim Ah-Young, Park Sung Bin, Choi Hee Seok, Hwang Jae Cheol
Department of Radiology, Dongguk University International Hospital, Dongguk University, College of Medicine, 814 Siksa-dong, Ilsandong-gu, Goyang-si 410-773, Korea.
J Ultrasound Med. 2007 Dec;26(12):1799-802. doi: 10.7863/jum.2007.26.12.1799.