Multisection:Find:Pt:Abdomen>Retroperitoneum:Doc:US
multisection:find:pt:abdomen>retroperitoneum:doc:us
Multisection:Finding:To identify measures at a point in time:Abdomen>Retroperitoneum:Document:Ultrasound
multisection:finding:to identify measures at a point in time:abdomen>retroperitoneum:document:ultrasound