Biological therapy optimization in patients with psoriasis by reducing the dose or increasing the time interval, in a specialized centre in Colombia Juan Raúl Castro-Ayarza; Mario Barbosa-Rengifo; Manuel Franco-Franco; Julio Roberto Amador; Paola Cárdenas-Rojas; Carolina Becerra-Arias; Jorge Donado-Gómez; Natalia Duque-Zapata;

Emerging treatment options for psoriatic arthritis Ana Belén Azuaga; Julio Ramírez; Marta Bassas; Juan D. Cañete;

Biological therapy in rheumatoid arthritis: A review of adverse reactions Víctor Hugo Arturo Orozco; Mónica Burgos García; Luz Nelly Girón; Robinson Pacheco;