A Cross Sectional Study of Smoking Behaviors and Attitudes of Parents in Pediatric Primary Care Settings Appendix B Perception of adults toward electronic cigarettes: a cross sectional study from Jordan Primary Health Care Research & Development Cambridge Core Fagerstrm Test for Nicotine Cigarette Dependence (FTND) Neurotorium E cigarette and cigarette purchasing among young adults before and after implementation of California's tobacco 21 policy Tobacco Control