Decreased blood CD4+PD-1+ and CD8+PD-1+ T cells in psoriatic patients with and without arthritis - Bartosińska, Joanna; Zakrzewska, Ewelina; Purkot, Joanna; Michalak-Stoma, Anna; Kowal, Małgorzata; Krasowska, Dorota; Chodorowska, Grażyna; Giannopoulos, Krzysztof (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2018)