Critical Reviews in Toxicology (Review)
Pretests were performed for each of the 49 independent variables (84 after dummy-coding categorial variables) using Spearman's correlation for continuous variables (Supplementary Table S2) and Pearson's chi-square ( 2 ) test for categorical variables (Supplementary Tables S3, S4)
David Levys landmark 2019 paper offering strong evidence opposing the e-cigarette gateway hypothesis
These developments have made many in public health dream bigger
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