Authors: E M Lemmel; M Franke; W Gaus; P W Hartl; P H Hofschneider; K Miehlke; K Machalke; H J Obert Journal: Rheumatol Int Date: 1987 Impact factor: 2.631
Authors: E M Lemmel; D Brackertz; M Franke; W Gaus; P W Hartl; K Machalke; H Mielke; H J Obert; H H Peter; J Sieper Journal: Rheumatol Int Date: 1988 Impact factor: 2.631