@article{59d0ac3db5cc4a6eb75a84c705f5667a,
title = "Cannabis and cognitive performance in psychosis: a cross-sectional study in patients with non-affective psychotic illness and their unaffected siblings",
keywords = "Genetic high risk, marijuana, neuropsychology, relatives, schizophrenia, Delta(9)-tetrahydrocannabinol",
author = "Meijer, {Julia H.} and N. Dekker and Koeter, {M. W.} and Quee, {P J} and {van Beveren}, {Nico J. M.} and {Genetic Risk and Outcome of Psychosis (GROUP) Investigators} and {van Os}, Jim and Lydia Krabbendam and I. Myin-Germeys and Meijer, {Carin J.}",
year = "2012",
month = apr,
doi = "10.1017/S0033291711001656",
language = "English",
volume = "42",
pages = "705--716",
journal = "Psychological Medicine",
issn = "0033-2917",
publisher = "Cambridge University Press",
number = "4",
}