A. von Knorring

Publications37
h-index22
Citations2,851
Highly Influential Citations90
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Psychometric properties of a Swedish version of the “Strengths and Difficulties Questionnaire”
Abstract A new English instrument for screening mental health in children and adolescents, the Strengths and Difficulties Questionnaire (SDQ), was translated into Swedish and used for parental… Expand
  • 389
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Genetic heterogeneity and the classification of alcoholism.
Recent progress toward a systematic pathophysiological model of alcoholism has led to identification of two distinct subtypes of alcoholism. These subtypes may be distinguished in terms of distinct… Expand
  • 194
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Long-term stimulant treatment of children with attention-deficit hyperactivity disorder symptoms. A randomized, double-blind, placebo-controlled trial.
BACKGROUND We wanted to study the effects of amphetamine on symptoms of attention-deficit hyperactivity disorder (ADHD) over a longer period than has been reported in previous studies of central… Expand
  • 298
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Posttraumatic stress disorder in children after the military operation “Anfal” in Iraqi Kurdistan
Abstract Five years after the military operation “Anfal” in Iraqi Kurdistan, 45 families were randomly selected among the survivors in two displacement camps. The Posttraumatic Stress Symptoms for… Expand
  • 96
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Mental health outcome of long-term and episodic adolescent depression: 15-year follow-up of a community sample.
BACKGROUND Recent studies have highlighted the unfavourable natural course of chronic/long-term depression. We investigated the adult mental health outcome of adolescent depression, with specific… Expand
  • 144
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Predisposition to petty criminality in Swedish adoptees. I. Genetic and environmental heterogeneity.
The inheritance of criminality was studied in 862 Swedish men and adopted by nonrelatives at an early age. If type of offense and association with alcohol abuse were neglected, criminality was… Expand
  • 166
  • 5
A 2-year follow-up of orphans' competence, socioemotional problems and post-traumatic stress symptoms in traditional foster care and orphanages in Iraqi Kurdistan.
BACKGROUND This paper aims to compare orphans' development in two different care systems. METHODS Based on age, sex, psychological trauma scores, competence and psychological problem scores, two… Expand
  • 70
  • 4
Predisposition to petty criminality in Swedish adoptees. II. Cross-fostering analysis of gene-environment interaction.
The interaction of congenital and postnatal antecedents of criminality was studied in 862 Swedish men adopted at an early age by nonrelatives. Most explained variability was due to differences… Expand
  • 207
  • 3
Personality traits in subtypes of alcoholics.
Earlier studies have identified at least two distinct subgroups of alcoholics: Type II with early onset and high genetic loading and Type I with late onset in which genetic factors seem to be of… Expand
  • 155
  • 2
An adoption study of somatoform disorders. III. Cross-fostering analysis and genetic relationship to alcoholism and criminality.
The genetic and environmental antecedents of two clinically distinct somatoform disorders were compared in 859 Swedish women adopted at an early age by nonrelatives. The characteristics of both the… Expand
  • 143
  • 2