Fluid output.cerebral ventricle drain:Vol:Pt:Cerebral ventricles:Qn
fluid output.cerebral ventricle drain:vol:pt:cerebral ventricles:qn
Fluid output.cerebral ventricle drain:Volume:To identify measures at a point in time:Cerebral ventricles:Quantitative
fluid output.cerebral ventricle drain:volume:to identify measures at a point in time:cerebral ventricles:quantitative