Starting to smoke too easily, starting to smoke too young.
Morabia
Alfredo
A
Costanza
Michael C
MC
D000293:Adolescent; D017668:Age of Onset; D003431:Cross-Cultural Comparison; D014943:Global Health; D006801:Humans; D011159:Population Surveillance; D015995:Prevalence; D012907:Smoking / Q000453:epidemiology*; D000074606:Smoking Prevention; D019460:Tobacco Industry; D014029:Tobacco Use Disorder / Q000453:epidemiology* / Q000517:prevention & control