Real-world exposure to graphic warning labels on cigarette packages in US smokers: The CASA randomized trial protocol
Titel:
Real-world exposure to graphic warning labels on cigarette packages in US smokers: The CASA randomized trial protocol
Auteur:
Pierce, John P. Strong, David R. Stone, Matthew D. VillaseƱor, Adriana Dimofte, Claudiu V. Leas, Eric C. Oratowski, Jesica Brighton, Elizabeth Hurst, Samantha Pulvers, Kimberley Kealey, Sheila Chen, Ruifeng Messer, Karen