Authors: B M Psaty; N L Smith; D S Siscovick; T D Koepsell; N S Weiss; S R Heckbert; R N Lemaitre; E H Wagner; C D Furberg Journal: JAMA Date: 1997-03-05 Impact factor: 56.272
Authors: L Hansson; A Zanchetti; S G Carruthers; B Dahlöf; D Elmfeldt; S Julius; J Ménard; K H Rahn; H Wedel; S Westerling Journal: Lancet Date: 1998-06-13 Impact factor: 79.321