Kimura A , Otsuka T . Emergency center ultrasonography in the evaluation of hemoperitoneum : a prospective study .4 .急诊超声标准操作规范专家组.急诊超声标准操作规范.中华急诊医学杂志, 2013 , 22.Lung ultrasound is an accurate diagnostic tool for the diagnosis of pneumonia in the emergenc ......