Adam M Lippert PMID: 24968185DOI: 10.4278/ajhp.131120-QUAN-595 Abstract Purpose: To examine the sociodemographic traits of adolescent e-cigarette users and whether...
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Elements of external validity of tools for health: an intervention for construction laborers
Elements of external validity of tools for health: an intervention for construction laborers Mary K Hunt 1, Amy E Harley, Anne M Stoddard, Ruth I Lederman, Mary Jane...