Tests for confounding with cigarette smoking in the association of E-cigarette use with respiratory disorder: 2020 National-Sample Data
Preventive Medicine (2022) - Comment
pubmed: 35820496  doi: 10.1016/j.ypmed.2022.107137  issn: 0091-7435  issn: 1096-0260 

Thomas A. Wills, Kelvin Choi, Pallav Pokhrel, Ian Pagano