Hörz-Sagstetter, S., Diamond, D., Clarkin, J. F., Levy, K. N., Rentrop, M., Fischer-Kern, M., Cain, N. M., & Doering, S. (2018). Clinical Characteristics of Comorbid Narcissistic Personality Disorder in Patients With Borderline Personality Disorder. Journal of personality disorders, 32(4), 562–575. https://doi.org/10.1521/pedi_2017_31_306