Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0143-4004(11)00243-8
Smoking and Youth free resource MedlinePlus Health Information https://medlineplus.gov/smokingandyouth.html
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S0143-4004(11)00243-8