Fluid output.pericardial drain:Vol:Pt:Pericardial space:Qn
fluid output.pericardial drain:vol:pt:pericardial space:qn
Fluid output.pericardial drain:Volume:To identify measures at a point in time:Pericardial space:Quantitative
fluid output.pericardial drain:volume:to identify measures at a point in time:pericardial space:quantitative