1. Hannigan MP, Cass GR, Penman BW, Crespi CL, Busby JWF, Lafleur AL, Thilly WG, Simoneit BRT (1998) Bioassay-directed chemical analysis of Los Angeles airborne particulate matter using a human cell mutagenicity assay. Environ Sci Technol 32:3502–3514
2. ADCA (2007) Alcohol and other drugs: chapter 1. In: Laycock A (ed) The public health bush book: a resource for working in community settings in the Northern Territory. The Alcohol and Other Drugs Council of Australia, Dept. of Health and Community Services, Australia
3. Italian National Institute of Statistics ISTAT (2010) The 2010 Annual Report (Annuario 2010). ISTAT Publ., Rome, 858 pp
4. Italian Superior Institute of Health ISS (2010) Rapporto Nazionale PASSI 2009: Guadagnare salute. Rome. http://www.epicentro.iss.it/passi/default.asp
5. Food and Drug Administration (FDA) (1996) Regulations restricting the sale and distribution of cigarettes and smokeless tobacco to protect children and adolescents; final rule. Fed Regist 61:44396–45318