Ortiz-Santamaria V, Babot A, Ferrer C
a Unit of Rheumatology , Granollers General Hospital , Barcelona , Spain.
b Primary Care Centre La Garriga , Granollers General Hospital , Barcelona , Spain.
Scand J Rheumatol. 2017 Nov;46(6):509-511. doi: 10.1080/03009742.2017.1340512. Epub 2017 Aug 10.