Zhu Meng, Parajuly Shyam S, Peng Yu-Lan
Department of Diagnostic Ultrasound and The National Key Discipline of Medical Imaging and Nuclear Medicine, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China.
Am J Med Sci. 2012 Jul;344(1):63. doi: 10.1097/MAJ.0b013e31823a3c95.