Smoking characteristics and years since quitting smoking of US adults diagnosed with lung and bladder cancer: A national health and nutrition examination survey analysis oleh Edoardo Beatrici, Muhieddine Labban, Dejan K. Filipas, Benjamin V. Stone, Leonardo O. Reis, Filippo Dagnino, Giovanni Lughezzani, Nicolò M. Buffi, Stuart R. Lipsitz, Timothy N. Clinton, Richard S. Matulewicz, Quoc-Dien Trinh, Alexander P. Cole