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 days in the past 12 months have you had this pain [PhenX]
on how many days in the past 12 months have you had this pain [phenx]