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This study presents data on a Canadian sample of inpatients with the diagnosis of Borderline Personality Disorder (BPD). Inpatients with BPD were compared to inpatients with borderline traits. The results indicate that the BPD inpatients have a chronic severe disorder, which onsets in adolescence, and are likely to have suffered early deprivation or abuse.
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Links et al. (1988) studied this question.
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