title: [Chronic back pain as the first symptom in the rupture of an abdominal aortic aneurism: presentation of 2 cases].
authors.affiliation: Servicio de Reumatología, Hospital Universitario de Valme, Valme, Sevilla, España.
authors.forename: Rosalía
authors.initials: R
authors.lastname: Martínez Pérez
authors.forename: José Luis
authors.initials: JL
authors.lastname: Marenco De La Fuente
authors.forename: Sergio
authors.initials: S
authors.lastname: Rodríguez Montero
authors.forename: Carmen
authors.initials: C
authors.lastname: Escudero