Peñalver Sánchez I, Castilla Pedregosa I, Ávila Villegas R, Olmos Vico AM. X Fragile Syndrome; diagnosis in Primary Care. Rev Pediatr Aten Primaria. 2003;5:407-414.
García Puga JM, Peñalver Sánchez I, Sánchez Ruiz-Cabello FJ, Bras i Marquillas J, Jordano Salinas L. Residents training in Primary Care Pediatrics. Rev Pediatr Aten Primaria. 2002;4:381-396.