Reduced nicotine in cigarettes in a marketplace with alternative nicotine systems: randomized clinical trialResearch in context oleh Dorothy K. Hatsukami, Joni A. Jensen, Dana Mowls Carroll, Xianghua Luo, Lori G. Strayer, Qing Cao, Stephen S. Hecht, Sharon E. Murphy, Steven G. Carmella, Rachel L. Denlinger-Apte, Suzanne Colby, Andrew A. Strasser, F. Joseph McClernon, Jennifer Tidey, Neal L. Benowitz, Eric C. Donny