Chen Jian, He Yihua, Li Zhian, Han Jiancheng, Gu Xiaoyan, Wang Linlin, Nixon J V Ian
Department of Ultrasound, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
J Ultrasound Med. 2009 Nov;28(11):1585-8. doi: 10.7863/jum.2009.28.11.1585.