BibTex format
@article{Leeson:2011:schbul/sbq153,
author = {Leeson, VC and Harrison, I and Ron, MA and Barnes, TRE and Joyce, EM},
doi = {schbul/sbq153},
journal = {Schizophrenia Bulletin},
title = {The Effect of Cannabis Use and Cognitive Reserve on Age at Onset and Psychosis Outcomes in First-Episode Schizophrenia},
url = {http://dx.doi.org/10.1093/schbul/sbq153},
year = {2011}
}