Authors: P Greenwald; P C Nasca; C E Lawrence; J Horton; R P McGarrah; T Gabriele; K Carlton Journal: N Engl J Med Date: 1978-08-10 Impact factor: 91.245
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