@article{44086cc17f7c4daf8f8144374bc0f828,
title = "Low grade radiographic sacroiliitis as prognostic factor in patients with undifferentiated spondyloarthritis fulfilling diagnostic criteria for ankylosing spondylitis throughout follow up. Annals of the Rheumatic Diseases",
author = "\{Londo{\~n}o Pati{\~n}o\}, \{John Dario\}",
year = "2007",
month = apr,
day = "20",
language = "Indefinido/desconocido",
pages = "642--646",
journal = "Annals of the Rheumatic Diseases",
issn = "0003-4967",
publisher = "Elsevier B.V.",
}