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;

Osteonecrosis in individuals with systemic lupus erythematosus: A predictive model Jennifer Mendoza-Alonzo; José Zayas-Castro; Karina Soto-Sandoval;