On the average of the entire time you smoked, how many cigarettes did you smoke per D:NRat:Pt:^Patient:Qn:PhenX
on the average of the entire time you smoked, how many cigarettes did you smoke per d:nrat:pt:^patient:qn:phenx
On the average of the entire time you smoked, how many cigarettes did you smoke per D:NRat:Pt:^Patient:Qn:PhenX
on the average of the entire time you smoked, how many cigarettes did you smoke per d:nrat:pt:^patient:qn:phenx