PhenX - smoking quit attempts protocol 071001:-:Pt:^Patient:-:PhenX
phenx - smoking quit attempts protocol 071001:-:pt:^patient:-:phenx
PhenX - smoking quit attempts protocol 071001:-:To identify measures at a point in time:^Patient:-:PhenX
phenx - smoking quit attempts protocol 071001:-:to identify measures at a point in time:^patient:-:phenx