Subtypes of borderline personality disorder patients: a cluster-analytic approach | Borderline Personality Disorder and Emotion Dysregulation (2017) User HolyAlucard, in the Spirited and Civil Debate about Human Experiences subreddit, 18 Mar 2022
There are medically recognized subtypes of BPD, beyond "quiet" User riggamaurice, in the Borderline Personality Disorder subreddit, 07 Nov 2017