Authors: B Bresnihan; R Hohmeister; J Cutting; R L Travers; M Waldburger; C Black; T Jones; G R Hughes Journal: Ann Rheum Dis Date: 1979-08 Impact factor: 19.103
Authors: K S Chugh; N Malik; H S Uberoi; V K Gupta; M L Aggarwal; P C Singhal; S Suri; S K Jain Journal: Postgrad Med J Date: 1981-09 Impact factor: 2.401