A flame we can carry in our pockets is something that we take for granted, but it was much harder to make fire in earlier times
Tianqi Chen, School of Public Health, Peking University, Peoples Republic of China, Other contributors to this article include: Grace Kong, Department of Psychiatry, Yale School of Medicine, USA
For years, we have been aware that EC designs are evolving, said Talbot, a professor of cell biology who led the research team
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Visit ACC.org/Guidelines to access the ECDP on Tobacco Cessation