About how old were you when you first had wheezing or whistling in your chest:Time:Pt:^Patient:Qn:PhenX
about how old were you when you first had wheezing or whistling in your chest:time:pt:^patient:qn:phenx
About how old were you when you first had wheezing or whistling in your chest:Time:To identify measures at a point in time:^Patient:Quantitative:PhenX
about how old were you when you first had wheezing or whistling in your chest:time:to identify measures at a point in time:^patient:quantitative:phenx