المؤلفون: Griffiths, David J., Cooke, Stephen P., Herv�, Christine, Rigby, Shirley P., Mallon, Eleanor, Hajeer, Ali, Lock, Matthew, Emery, Vincent, Taylor, Peter, Pantelidis, Panagiotis, Bunker, Christopher B., Du Bois, Ronald, Weiss, Robin A., Venables, Patrick J. W.

المصدر: Arthritis & Rheumatism ; volume 42, issue 3, page 448-454 ; ISSN 0004-3591 1529-0131

الاتاحة: http://dx.doi.org/10.1002/1529-0131(199904)42:3%3C448::aid-anr9%3E3.0.co%3B2-8
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2F1529-0131(199904)42:3%3C448::AID-ANR9%3E3.0.CO%3B2-8
https://onlinelibrary.wiley.com/doi/full/10.1002/1529-0131(199904)42:3%3C448::AID-ANR9%3E3.0.CO%3B2-8