Authors: A M Prieur; B M Ansell; R Bardfeld; E Bhettay; I Bojkinov; K Denieskiewics; F Fantini; S Halvelka; H M Hoyeraal; J P Jais Journal: Clin Exp Rheumatol Date: 1990 May-Jun Impact factor: 4.473
Authors: C Begg; M Cho; S Eastwood; R Horton; D Moher; I Olkin; R Pitkin; D Rennie; K F Schulz; D Simel; D F Stroup Journal: JAMA Date: 1996-08-28 Impact factor: 56.272