Authors: R A Asherson; M A Khamashta; J Ordi-Ros; R H Derksen; S J Machin; J Barquinero; H H Outt; E N Harris; M Vilardell-Torres; G R Hughes Journal: Medicine (Baltimore) Date: 1989-11 Impact factor: 1.889
Authors: P Morgan-Capner; J Hodgson; M H Hambling; C Dulake; T J Coleman; P A Boswell; R P Watkins; J Booth; H Stern; J M Best Journal: Lancet Date: 1985-02-02 Impact factor: 79.321