Authors: P Tugwell; C Bombardier; M Gent; K J Bennett; W G Bensen; S Carette; A Chalmers; J M Esdaile; A V Klinkhoff; G R Kraag Journal: Lancet Date: 1990-05-05 Impact factor: 79.321
Authors: J K Lacki; T Schochat; M Sobieska; P Leszczynski; K Wiktorowicz; U Mackiewicz; S H Mackiewicz; W Müller Journal: Z Rheumatol Date: 1994 Mar-Apr Impact factor: 1.372