-
1Academic Journal
المؤلفون: Bodar, E J, Kuijk, L M, Drenth, J P H, van der Meer, J W M, Simon, A, Frenkel, J
المصدر: Annals of the Rheumatic Diseases ; volume 70, issue 12, page 2155-2158 ; ISSN 0003-4967
-
2Academic Journal
المؤلفون: Kuijk, L. M, Govers, A. M A P, Hofhuis, W. J D, Frenkel, J.
المصدر: Annals of the Rheumatic Diseases ; volume 66, issue 11, page 1545-1546 ; ISSN 0003-4967