DKK-1 in psoriatic arthritis: Correlation with disease activity and enthesopathy Marian Aziz Wahba Abdo Wahba; Nagat Mohamed El-Gazzar; Radwa Mahmoud Elsharaby; Samar Abdalhamed Tabra;

Osteoporosis in psoriatic arthritis: Risk factors, insufficiency fractures and its association with the disease activity María Paz Martínez-Vidal; Vega Jovani; José Raúl Noguera-Pons; Antonio Álvarez-Cienfuegos;