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    "doi": "10.1192\/bjb.2025.10206",
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    "title": "The validity of borderline personality disorder: Robins and Guze applied",
    "authors": [
        "Mark L. Ruffalo"
    ],
    "container": "BJPsych Bulletin",
    "year": "2026",
    "doi_url": "https:\/\/doi.org\/10.1192\/bjb.2025.10206",
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    "abstract": "Debate about borderline personality disorder (BPD) has intensified, with some proposing its absorption into complex post-traumatic stress disorder and others questioning whether the diagnosis is harmful. These debates often obscure the central issue of construct validity. This paper evaluates whether BPD constitutes a coherent clinical entity. Drawing on Robins and Guze's classic diagnostic validators - symptom specificity, heritability, course of illness, biological markers and treatment response - the evidence demonstrates that BPD is a robustly validated psychiatric disorder that should be retained in future classification systems. Concerns about stigma and dimensional models are considered but do not undermine its empirical grounding.",
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