Thinking of the most recent time you quit smoking, did you use any of the following products:Find:Pt:^Patient:Nom:PLCO
thinking of the most recent time you quit smoking, did you use any of the following products:find:pt:^patient:nom:plco
Thinking of the most recent time you quit smoking, did you use any of the following products:Finding:To identify measures at a point in time:^Patient:Nominal:PLCO
thinking of the most recent time you quit smoking, did you use any of the following products:finding:to identify measures at a point in time:^patient:nominal:plco