title: [Anti-TNF therapy in Ankylosing Spondylitis (AS). Is it possible to suspend treatment?].
authors.affiliation: Hospital de Sabadell, Institut Universitari UAB, Sabadell, Barcelona, España.
authors.forename: Jordi
authors.initials: J
authors.lastname: Gratacos Masmitja
authors.forename: Mireia Moreno
authors.initials: MM
authors.lastname: Martinez-Losa