Cigarettes smoked per D^during pregnancy:NRat:Pt:^Patient:Ord
cigarettes smoked per d^during pregnancy:nrat:pt:^patient:ord
Cigarettes smoked per D^during pregnancy:Number=Count/Time:To identify measures at a point in time:^Patient:Ordinal
cigarettes smoked per d^during pregnancy:number=count/time:to identify measures at a point in time:^patient:ordinal