Frequent alcohol, nicotine or cannabis use is common in young persons presenting for mental healthcare: a cross-sectional study
Daniel F Hermens, Elizabeth M Scott, Django White, Marta Lynch, Jim Lagopoulos, Bradley G Whitwell, Sharon L Naismith, Ian B Hickie
BMJ Open Jan 2013, 3 (2) e002229; DOI: 10.1136/bmjopen-2012-002229