Authors: N P Bakker; M G van Erck; C Zurcher; P Faaber; A Lemmens; M Hazenberg; R E Bontrop; M Jonker Journal: Rheumatol Int Date: 1990 Impact factor: 2.631
Authors: M Satoh; H Yamagata; F Watanabe; Y Matsushita; S Nakayama; M Murakami; K Okubo; M Handa; Y Ikeda Journal: Clin Rheumatol Date: 1993-12 Impact factor: 2.980