Intravascular systolic:Pres:Pt:Ductus arteriosus:Qn
intravascular systolic:pres:pt:ductus arteriosus:qn
Intravascular systolic:Pressure:To identify measures at a point in time:Ductus arteriosus:Quantitative
intravascular systolic:pressure:to identify measures at a point in time:ductus arteriosus:quantitative