Has your child ever become suddenly weak in the legs, or anywhere else, after laughing or being surprised by something:Find:Pt:^Patient:Ord:PhenX
has your child ever become suddenly weak in the legs, or anywhere else, after laughing or being surprised by something:find:pt:^patient:ord:phenx
Has your child ever become suddenly weak in the legs, or anywhere else, after laughing or being surprised by something:Finding:To identify measures at a point in time:^Patient:Ordinal:PhenX
has your child ever become suddenly weak in the legs, or anywhere else, after laughing or being surprised by something:finding:to identify measures at a point in time:^patient:ordinal:phenx