Treatment with Upadacitinib in Difficult-to-Treat (D2T) Psoriatic Arthritis (PsA): A National Multicenter Study of the First 134 Patients in Clinical Practice - Galindez-Agirregoikoa, Eva; Prieto-Pena, Diana; Garcia-Vivar, Maria Luz; Belzunegui Otano, Joaquin Maria; Joven-Ibanez, Beatriz; Vergara-Dangond, Cristina; Pavia-Pascual, Marina; Urionaguena-Onaindia, Irati; Vega Alvarez, Lucia; Puche Larrubia, M angeles; Ramos Giraldez, Consuelo; Garcia-Vicuna, Rosario; et al. (Sci, 2025)