How many cigarettes per D do you usually smoke anywhere inside the home:NRat:Pt:^Patient:Qn:NHANES
how many cigarettes per d do you usually smoke anywhere inside the home:nrat:pt:^patient:qn:nhanes
How many cigarettes per day do you usually smoke anywhere inside the home [NHANES]
how many cigarettes per day do you usually smoke anywhere inside the home [nhanes]