PhenX - tobacco - smoking status - adult protocol 030602:-:Pt:^Patient:-:PhenX
phenx - tobacco - smoking status - adult protocol 030602:-:pt:^patient:-:phenx
PhenX - tobacco - smoking status - adult protocol 030602:-:To identify measures at a point in time:^Patient:-:PhenX
phenx - tobacco - smoking status - adult protocol 030602:-:to identify measures at a point in time:^patient:-:phenx