title: Commentary on Liang et al. (2011): unravelling the tangle of comorbidity--are we there yet?
authors.affiliation: Institute of Health & Biomedical Innovation and School of Psychology & Counselling, Queensland University of Technology, 60 Musk Ave, Kelvin Grove, Qld 4059, Australia. david.kavanagh@qut.edu.au
authors.forename: David J
authors.initials: DJ
authors.lastname: Kavanagh
mesh_terms: D015984:Causality; D015897:Comorbidity; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology*; D019966:Substance-Related Disorders / Q000453:epidemiology*