Closure to opening:Time:Pt:Heart.valve.XXX:Qn:US
closure to opening:time:pt:heart.valve.xxx:qn:us
Closure to opening:Time:To identify measures at a point in time:Heart.valve.Not specified:Quantitative:Ultrasound
closure to opening:time:to identify measures at a point in time:heart.valve.not specified:quantitative:ultrasound