title: Childhood onset obsessive compulsive disorder: is there a unique subtype?
authors.affiliation: Brown University School of Medicine, USA.
authors.forename: H
authors.initials: H
authors.lastname: Leonard
mesh_terms: D017668:Age of Onset; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D009771:Obsessive-Compulsive Disorder / Q000145:classification* / Q000453:epidemiology*; D012307:Risk Factors; D014481:United States / Q000453:epidemiology