المؤلفون: Hengstman, Gerald J.D., van Engelen, Baziel G.M., Vree Egberts, Wilma T.M., van Venrooij, Walther J.

المصدر: Current Opinion in Rheumatology ; volume 13, issue 6, page 476-482 ; ISSN 1040-8711

الاتاحة: http://dx.doi.org/10.1097/00002281-200111000-00004
https://journals.lww.com/00002281-200111000-00004