Trends in the co-occurrence of tobacco and cannabis use in 15-year-olds from 2002 to 2010 in 28 countries of Europe and North America

Clinical correlates of co-occurring cannabis and tobacco use: a systematic review

(2012) Erica N. Peters et al.   ADDICTION

The co-occurring use and misuse of cannabis and tobacco: a review

(2012) Arpana Agrawal et al.   ADDICTION

Adding Tobacco to Cannabis--Its Frequency and Likely Implications

(2011) R. E. Belanger et al.   NICOTINE & TOBACCO RESEARCH

Outcomes of occasional cannabis use in adolescence: 10-year follow-up study in Victoria, Australia

(2010) Louisa Degenhardt et al.   BRITISH JOURNAL OF PSYCHIATRY

Decrease in Adolescent Cannabis Use From 2002 to 2006 and Links to Evenings Out With Friends in 31 European and North American Countries and Regions

(2009) Emmanuel Kuntsche   ARCHIVES OF PEDIATRICS & ADOLESCENT MEDICINE

Adverse health effects of non-medical cannabis use

(2009) Wayne Hall et al.   LANCET

Smoking tobacco along with marijuana increases symptoms of cannabis dependence

(2008) Geoffrey L. Ream et al.   DRUG AND ALCOHOL DEPENDENCE