Comprehensive survey of radionuclides in contemporary smokeless tobacco products. McAdam K, Kimpton H, Porter A, Liu C, Faizi A, Mola M, McAughey J, Rodu B. Chem Cent J. 2017 Dec 19;11(1):131. doi: 10.1186/s13065-017-0359-0. PMID: 29256072