Authors: Jayne E Edwards; Anna D Oldman; Lesley A Smith; Dawn Carroll; Philip J Wiffen; Henry J McQuay; Andrew R Moore Journal: Pain Date: 1999-06 Impact factor: 6.961
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