Authors: L Tabár; C J Fagerberg; A Gad; L Baldetorp; L H Holmberg; O Gröntoft; U Ljungquist; B Lundström; J C Månson; G Eklund Journal: Lancet Date: 1985-04-13 Impact factor: 79.321
Authors: R M Kirby; M Williams; G Hopper; M D Skinner; C French; V Suarez; M E Summerly; J G Gray Journal: Postgrad Med J Date: 1991-01 Impact factor: 2.401