On how many Ds in the past 12Mo have you had this pain:NRat:12Mo:^Patient:Qn:PhenX
on how many ds in the past 12mo have you had this pain:nrat:12mo:^patient:qn:phenx
On how many Ds in the past 12Mo have you had this pain:Number=Count/Time:12 months:^Patient:Quantitative:PhenX
on how many ds in the past 12mo have you had this pain:number=count/time:12 months:^patient:quantitative:phenx