Latent class analysis of the Yale-Brown Obsessive-Compulsive Scale symptoms in obsessive-compulsive disorder.
Compr Psychiatry., 52(3):334-41 (2011)
Familiality of Tourette syndrome, obsessive-compulsive disorder, and attention-deficit/hyperactivity disorder: heritability analysis in a large sib-pair sample.
J Am Acad Child Adolesc Psychiatry., Jan;50(1):46-54 (2011)
Genomewide linkage analysis in Costa Rican families implicates chromosome 15q14 as a candidate region for OCD.
Hum. Genet., Dec;130(6):795-805 (2011)
Heritability and clinical features of multigenerational families with obsessive-compulsive disorder and hoarding.
Am. J. Med. Genet. B Neuropsychiatr. Genet., Mar;144B(2):174-82 (2007)
Childhood trauma and obsessive-compulsive symptoms.
Depress Anxiety., 25(9):742-51 (2008)
Evidence for a heritable unidimensional symptom factor underlying obsessionality.
Am. J. Med. Genet. B Neuropsychiatr. Genet., Sep;147B(6):676-85 (2008)
ADHD prevalence and association with hoarding behaviors in childhood-onset OCD.
Depress Anxiety., Jul;27(7):667-74 (2010)
Assortative mating in the affective disorders: a systematic review and meta-analysis.
Compr Psychiatry., 42(4):257-62 (2001)
Fine-scale mapping of a locus for severe bipolar mood disorder on chromosome 18p11.3 in the Costa Rican population.
Proc. Natl. Acad. Sci. U.S.A., Sep;98(20):11485-90 (2001)
Cultural influences on diagnosis and perception of Tourette syndrome in Costa Rica.
J Am Acad Child Adolesc Psychiatry., Apr;40(4):456-63 (2001)
Error-related negativity in individuals with obsessive-compulsive symptoms: toward an understanding of hoarding behaviors.
Biol Psychol., Feb;89(2):487-94 (2012)
The structure of obsessionality among young adults.
Depress Anxiety., 20(2):77-85 (2004)
Association between maternal smoking and increased symptom severity in Tourette's syndrome.
Am J Psychiatry., Jun;163(6):1066-73 (2006)
Overrepresentation of rare variants in a specific ethnic group may confuse interpretation of association analyses.
Hum. Mol. Genet., Nov;15(22):3324-8 (2006)
Self injurious behaviour in Tourette syndrome: correlates with impulsivity and impulse control.
J. Neurol. Neurosurg. Psychiatr., Aug;75(8):1149-55 (2004)
Genetic studies of neuropsychiatric disorders in Costa Rica: a model for the use of isolated populations.
Psychiatr. Genet., Mar;14(1):13-23 (2004)