Żółkowska, Bernadetta, Lee, Christopher S., Denfeld, Quin E., Jędrzejczyk, Maria, Diakowska, Dorota, Lisiak, Magdalena, Wleklik, Marta, Czapla, Michał, Uchmanowicz, Izabella, "Clinical and Psychological Factors Associated with Frailty in Patients with Heart Failure", Journal of Clinical Medicine, 2025