BibTex format
@article{Tibber:2018:10.1016/j.psychres.2018.10.046,
author = {Tibber, MS and Kirkbride, JB and Joyce, EM and Mutsatsa, S and Harrison, I and Barnes, TRE and Huddy, V},
doi = {10.1016/j.psychres.2018.10.046},
journal = {PSYCHIATRY RESEARCH},
pages = {869--879},
title = {The component structure of the scales for the assessment of positive and negative symptoms in first-episode psychosis and its dependence on variations in analytic methods},
url = {http://dx.doi.org/10.1016/j.psychres.2018.10.046},
volume = {270},
year = {2018}
}