{{Cite journal| doi = 10.1093/fampra/cmv058| issn = 1460-2229 (Electronic) 0263-2136 (Linking)| volume = 32| issue = 5| pages = 500–4| last1 = Haller| first1 = D. M.| last2 = Meynard| first2 = A.| last3 = Lefebvre| first3 = D.| last4 = Hasselgard-Rowe| first4 = J.| last5 = Broers| first5 = B.| last6 = Narring| first6 = F.| title = Excessive substance use among young people consulting family doctors: a cross-sectional study| journal = Fam Pract| date = 2015-08-08| pmid = 26251025}}