Author(s): Sorin V. Fedeles
Author(s): Sieiro Santos, Rheumatology Department, Complejo Asistencial Universitario de León (León, Spain).
Author(s): Sieiro Santos C
Author(s): Mohamed E. Elrggala
Author(s): Mohamed E. Elrggal
Author(s): Milagros D. Samaniego-Picota