What is your best estimate of the number of D you smoked part or all of a cigarette during the past 30D:NRat:30D:^Patient:Qn:PhenX
what is your best estimate of the number of d you smoked part or all of a cigarette during the past 30d:nrat:30d:^patient:qn:phenx
What is your best estimate of the number of D you smoked part or all of a cigarette during the past 30D:Number=Count/Time:30 days:^Patient:Quantitative:PhenX
what is your best estimate of the number of d you smoked part or all of a cigarette during the past 30d:number=count/time:30 days:^patient:quantitative:phenx