Validation of the Danish Version of Perseverative Thinking Questionnaire (PTQ) – Introducing the PTQ Short Version. - Moeller, Stine Bjerrum; Larsen, Pia Veldt; Arendt, Ida-Marie T. P.; Ehring, Thomas; Reinholt, Nina; Hvenegaard, Morten; Christensen, Anne Bryde; Arnfred, Sidse (Psychological Test Adaptation & Development, 2023)