Casad , Madeleine, and Parichehr Mehdiabadi. “Trait Emotional Stability As a Protective Factor Against Psychosomatic Symptom Amplification: A Multilevel Mediation Analysis”. Journal of Personality and Psychosomatic Research (JPPR), Apr. 2026, pp. 1-12, https://journals.kmanpub.com/index.php/jppr/article/view/5106.